Решите уравнения: 1) 7x+3=0 2) 3x-2=8 3) 14-3x=6x 4) 4x-3=4+2x. Created by IvanKabakov. algebra-ru

Решите уравнения: 1) 7x+3=0 2) 3x-2=8 3) 14-3x=6x 4) 4x-3=4+2x...

amb0 $7x+3=0\\\\7x=-3\\\\x=- \frac{3}{7}\\\\\\3x-2=8\\\\3x=8+2\\\\3x=10\\\\x= \frac{10}{3}=3 \frac{1}{3}\\\\\\ 14-3x=6x\\\\-3x-6x=-14\\\\-9x=-14\\\\x= \frac{14}{9}=1 \frac{5}{9}\\\\\\ 4x-3=4+2x\\\\4x-2x=4+3\\\\2x=7\\\\x=3,5$

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Verified answer

7х+3=0
7х=-3
х=-7-3
х=-10

3х-2=8
3х=8+2
3х=10
х=10-3
х=7

4х-3=4+2х
4х-2х=3+4
2х=7
х=7-2
х=5

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