Решить уравнение. 3x-0.6=x+4.4;4x-(7x-2)=17;

Question

Решить уравнение.

3x-0.6=x+4.4;

4x-(7x-2)=17;

Answer 1

4x-(7x-2)=17
4x-7x+2=17
-3x=15
X=-5

Comments

А первый?

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3x-0,6=x+4,4

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2x=5

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x=2,5

Answer 2

3х-0.6=х+4.4                         4х-(7х-2)=17
3х-х=4.4+0.6                         4х-7х+2=17
2х=5                                      4х-7х=17-2
х=5:2                                     -3х=15
х=5/2                                     х=15:(-3)
х=2 1/2                                  х=-5