Question

Resolva:
A) 4x + 8 = 40
B) 4x + 6 = 26
C) x + 30x/100 = 195
D) X - 3/4 X - 25 = X/5

Answer 1

a) 4x + 8 = 40
4x = 32
x = 8

b) 4x + 6 =26
4x = 20
x = 5

c) x + 30x/100 = 195
100x + 30x = 19500
130x = 19500
x = 150

d) x - 3/4x - 25 = x/5            mmc = 20
20x - 15x - 500 = 4x
5x - 4x = 500
x = 500

espero ter ajudado