Предмет: Алгебра, автор: маркова

22x + x - 10 = 59

14y -2y + 76 = 100

( 7a - 2a) * 8 = 80

Ответы

Автор ответа: triolana
0

23х=59+10

23х=69

х=69:23

х= 3

 

12у=100-76

12у= 24

у=24:12

у=2

 

 

56а-16а=80

 40а=80

а=80:40

а=2 

Автор ответа: aldd
0

22х+х-10=59                          (7а-2а)*8=80

23х=59+10                               5а=80:8

23х=69                                     5а=10    

х=69/23                                    а=10:5 

х=3                                            а=2

 

14у-2у+76=100

12у=100-76

12у=24

у=24:12

у=2

Похожие вопросы
Предмет: Английский язык, автор: ksumaylz59
His name _______ Ivan. *
am
is
are
Другое:

Это обязательный вопрос.
He ______in Vladivostok *
live
lives
is living
are living
Why_______you______sush a funny suit? -I_____to a fancy party. *
do, wear; go
is, wearing; am going
are, wearing; am going
do, wears; am going
What _________now? *
is jyou doing
he does
are you doing
you do
He is _____________. *
intrested
friendly
sky
sociable
Has he agreed to your offer? - No, he ____still___it over.
are thinking
does think
is thinking
thinks
I_________your help immediately. *
am needing
needs
need
am need
Snow_________in winter. *
melts
don't melt
is not melting
dosn't melt
___your parents____on holiday together? - Yes,____________. *
Does, go; they do.
Are, going; my parents are.
Do, go; they do
Do, go; my parents do.
______your father ____fishing at the weekend? *
Do, goes
is, going
Does, go
Does, goes
As far as I know, he __________a new job. So he is unlikely to be interested in your offer. *
is looking for
looks for
doesn't look for
isn't looking for
My children__________hard, and ____? *
studies, yours
are studying, yous
study, your
study, yours
_______books ________a lot of information. *
This, give
That, gives
These, give
These, are giving
_______plane __________from Vladivostok to Moscow. *
That; is flying
This; flies
That; flyes
These; is flying
Robert is a writer. He writes novels. But right now he________anything. He and his wife ________dinner. *
doesn't do; have
does; is having
is doing; are have
isn't doing; are having
Nick ___ a student. He has to___ a lot. But at the moment he___________. He ______to music. *
am; study; is studying; listen
is; studying; isn't studying; listening
is; study; isn't studying; is listening
is; studying; isn't studying; is listening
Irene ____a teacher. She______lessons at London University. But it's 7 o'clock in the evening and she is at home. She_____any lessons. She___________TV. *
is; gives; is giving; is watching
is; gives; isn't giving; watches
is; gives; isn't giving; is watching
is; doesn't give; isn't giving; is watching