Question

RESOLVA : 

a - 2x + 4 = 8
b - 2x -8 = 3x - 10 
c -  23x - 16 = 14 - 17x 

POOR FAVOR EH PRA AMANHAAÃ

Answer 1

a)  2x + 4 = 8
2x = 8 - 4
2x = 4
x = 4 ÷ 2
x = 2

b)  2x - 8 = 3x - 10 
2x - 3x = - 10 + 8
- x = - 2
x = 2

c)  23x - 16 = 14 - 17x 
23x + 17x = 14 + 16
40x = 30 
x = 30 ÷ 40
x = 0,75