Question

D) 5×+7=4×+10
E) 4×-10=2×+2

Answer 1

Resposta:

d) 3

e) 6

Explicação passo-a-passo:

D) 5×+7=4×+10 =

5x-4x = 10-7

x = 3

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E) 4×-10=2×+2 =

4x-2x = 2+10

2x = 12

x = 12/2

x = 6