A)3.13x-2=-2x+3.13....B)4.2xZ+8=8-7x....

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вопрос

A) 3.13x - 2 = -2x + 3.13

To solve for x, first we will combine like terms:

3.13x + 2x = 3.13 + 2
5.13x = 5.13

Now divide both sides by 5.13 to solve for x:

x = 5.13 / 5.13
x = 1

Therefore, the solution to the equation is x = 1.

B) 4.2x + 8 = 8 - 7x

To solve for x, first we will combine like terms:

4.2x + 7x = 8 - 8
11.2x = 0

Now divide both sides by 11.2 to solve for x:

x = 0 / 11.2
x = 0

Therefore, the solution to the equation is x = 0.