Question

2x+15=45
X-12=30
4x+2x-2=28
5x-6=39
5x+2x+12=61
8x-x=35
6x+2x-4=20
2x+2x-6=10
X+X=20
3x+2x=15

Gente me ajuda pfv

Answer 1

2x+15=45
2x=45-15
2x=35
x=35/2
x=17,5

x-12=80
x=80-12
x=92

4x+2x-2=28
6x=28+2
6x=30
x=30/6
x=5

5x-6=39
5x=39+6
5x=45
x=45/5
x=9

5x+2x+12=61
7x=61-12
7x=49
x=49/7
x=7

8x-x=35
7x=35
x=35/7
x=5

6x+2x-4=20
8x=20+4
8x=24
x=24/8
x=3

2x+2x-6=10
4x=10+6
4x=16
x=16/4
x=4

x+x=20
2x=20
x=20/2
x=10

3x+2x=15
5x=15
x=15/5
x=3

Espero ter ajudado.