Question

ache o valor de x
A)2×-4=-3×+5
B)5×-15=-30
C)2×-8×=-24
D)6×-4×+4=26
E)12×-6×-8×21=23
F)7×+4=-10
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Answer 1

Explicação passo-a-passo:

A) 2X-4=-3X+5

2X+3X=5+4

5X=9

X=9/5

B) 5X-15=-30

5X=-30+15

5X=-15

X=-15/5

X=-5 *(-1)

X=5

C) 2X-8X=-24

-6X=-24

X=-24/-6

X=4

D) 6X-4X+4=26

2X=26-4

2X=22

X=22/2

X=11

F) 7X+4=-10

7X=-10-4

7X=-14

X=-14/7

X=-2 * (-1)

X=2