Question

Tìm số nguyên x, biết: (-6 + 3x) : 5 = 18

Answer 1

\(\left(-6+3x\right):5=18\)

\(-6+3x=18\times5\)

\(-6+3x=90\)

\(3x=90+6\)

\(3x=96\)

\(x=32\)