Question

e)5×+2=7×+10
f)6×-7=3×+8-×
g)7×-14=5-3×
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Answer 1

e)

5x + 2 = 7x + 10

5x - 7x = 10 - 2

-2x = 8

x = 8/-2

x = -4

f)

6x - 7 = 3x + 8 - x

6x - 3x + x = 8 + 7

4x = 15

x = 15/4 ou 3,75

g)

7x - 14 = 5 - 3x

7x + 3x = 5 + 14

10x = 19

x = 19/10 ou 1,9

Bons Estudos!!!