Question

a)5x+7=4×+10
b)3×-4=2×+8
c)7+-28=2×+7
d)4×-1=3×-3
e)6×+10=3×-5
me respondam é urgente
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Answer 1

Explicação passo-a-passo:

a)5x+7=4×+10

5x-4x=10-7

×=3

b)3×-4=2×+8

3x-2x=8+4

x=12

c)7x-28=2×+7

7x-2x=7+28

5x=35

x=35÷5

x=7

d)4×-1=3×-3

4x-3x=-3+1

x=-2

e)6×+10=3×-5

6x-3x=-5-10

3x=-15

x=-5