Решите уравнение (3х+5):2-12=40

Question

Решите уравнение (3х+5):2-12=40

Answer 1

(3х+5):2-12=40
(3х+5):2=40+12
(3х+5):2=52
3х+5=52*2
3х+5=104
3х=104-5
3х=99
Х=99:3
Х=33

Answer 2

(3х+5):2=12+40 (3х+5):2=52 (3х+5)=2×52 (3х+5)=104 3х=104-5 3х=99 х=99:3 х=33