Решите плеас 3х+4=7х-8 2х-3=10 2(х+1)=3(х+1) 3х-5=3+3х 3х+6=3(х+2)

Question

Решите плеас
3х+4=7х-8
2х-3=10
2(х+1)=3(х+1)
3х-5=3+3х
3х+6=3(х+2)

Comments

3х-7х=-8-4; -4х=-12;х=3

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2х=10+3;2х=13;х=6,5

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2х+2=3х+3;-х=1

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3х-3х=3+5; 0=8; решений нет

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3х+6=3х+6;0=0

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Спасибо

Answer 1

3х+4=7х-8
4+8=7х-3х
12=4х
х=12/4
х=3