Question

resolva as equação
A)5x - 7 = 3x - 10
B)9x + 5 = 4x​

Answer 1

A) 5x - 3x = - 10 + 7

2x = - 3

x = -3

2

B) 9x - 4x = 5

5x = 5

x = 5

5

x = 1

:)