Question

a)-10x+6=-18+2x=

b)x-39=-79

c) 2x-2=12-5x=

d) 2x-10+7x+10=180​

Answer 1

Resposta:

a)-10×+6=-18+2×

-10×-2×=-18-6

12×=24

×=24/12

×=2

b)×-39=-79

×=-79+39

×=- 40

c)2×-2=12-5×

2×+5×=12+2

7×=10

×=10/7

×=1.4

c) não conseguir

Espero ter ajudado nas outras questões!

Answer 2

A) -10x+6=-18+2x
-10x-2x=-18-6
-12x=-24(-1)
12x=24
X=24/12
X=2

B) x-39=-79
X=-79+39
X=-40

C) 2x-2=12-5x
2x+5x=12+2
7x=14
X=14/7
X=2

D)2x-10+7x+10=180
2x+7x=180+10-10
9x=180
X=180/9
X=30