4х+12=3х+8 4х+3=12 3+12=4

Question

4х+12=3х+8
4х+3=12
3+12=4

Answer 1

4х - 3х = 8 - 12
х = -4

4х = 12 - 3
4х = 9
х = 2.25

3 + 12 ≠ 4

Answer 2

1) 4х-3х=8-12; х=-4;
2). 4х=12-3; 4х=9; х=9:4; х=2,25;
Или это попытки решения?

Comments

3х-17=8х+18

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12-3х=10