Question

| X-3|=12 resolvam pfvr

Answer 1

x-3=12                      x-3=-12

x=12+3                     x=-12+3

x=15                         x=-9

V={-9; 15}

Answer 2

Explicação passo-a-passo:

|x - 3| = 12

• x - 3 = 12

x = 12 + 3

x = 15

• x - 3 = -12

x = -12 + 3

x = -9

S = {-9, 15}