Question

va rog ajutati-ma
dau coroana ​

Answer 1

1) -3x+2=-7

-3x=-9

x=3

2) 4x-7=-15

4x=-8

x=-2

3) 2(x+2)-12=3(x-1)

2x + 4 - 12 = 3x - 3

-x = 5

x = -5

4) 4(x+1)-2=2(x+1)+5

4x+4-2=2x+2+5

4x+2=2x+7

4x-2x=7-2

2x=5

x=5/2

5) 3(x+3)-2(2-x)=10

3x+9-4+2x=10

5x=10-9+4

5x = 5

x=1

6) 3(x+3)=2

3x+9=2

3x = -7

x = -7/3