Question

a) 3x +14 = -2x +29
b) 8x-9 = 2x +11​

Answer 1

Resposta:

$a) 3x +14 = -2x +29$

$3x+2x=29-14$

$5x=15$

$x=15:5$

$x=3$

$8x-9 = 2x +11\\8x+2x=11+9\\10x=20\\x=20:10\\x=2$