2×(3x+70)=350 уравнение

Question

2×(3x+70)=350 уравнение

Answer 1

2*(3х+70)=350
3х+70=350:2
3х+70=175
3х=175+70
3х=105
х=105:3
х=35

Answer 2

2 х (3 х + 70 ) = 350
6 х +140 =350
6 х =350 -140
х = 210 : 6
х =35