Question

-27x+220=-5x; 7a=-310+3a; -2x+16=5x-19; 25-3b=9-5b; 3+11y=203+y;

Answer 1

-27x+220=-5x

-22x=-220

x=10

 

7a=-310+3a

4a=-310

a=-77.5

 

-2x+16=5x-19

-7x=-35

x=5

 

 25-3b=9-5b

2b=-16

b=-8

 

3+11y=203+y

10y=200

y=20

Answer 2

-27х+5х=-220
-22х=-220
Х=220:22
Х=10