Решите уравнение: 5(2+3х)-(7х-10)=4

Question

Решите уравнение: 5(2+3х)-(7х-10)=4

Answer 1

10х+15х-7х+10=4
18х=4-10
18Х=-6
Х=-6/18

Comments

стоп

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там 10 без х

Answer 2

5(2+3х)-(7х-10)=4
10+15х-7х+10=4
20+8х=4
8х=-16
х=-2