Question

12x-35+7x=98   25(x+1)-16=59  13(x+6)-72=123  77+8(x-5)=125

Answer 1

1)12х+7х=98+35...19х=133...х=7

Answer 2

нужно

Answer 3

спосибо

Answer 4

19x=98+35
x=133:19
x=
2) 25x+25-16=59
25x=59-9
x= 50:25
x=2
3) 13x+78-72=123
13x=123-6
x=117:13
X=
4)77+8x-40=125
8x=125-37
x=88:8
x=11

Answer 5

1)X=7, 3)X=9