Question

a-b=6;a=b×3;a=?;b=? Doresc ajutor

Answer 1

$a - b = 6 \\ a = b \times 3$

Inlocuim relatia in diferenta

$3 \times b - b = 6 \\ 2 \times b = 6 \\ b = 6 \div 2 \\ b = 3 \\ \\ a = b \times 3 \\ a = 3 \times 3 \\ a = 9$