3x+10(x+2)=13-7x

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Solution for 3x+10(x+2)=13-7x equation:


Simplifying
3x + 10(x + 2) = 13 + -7x

Reorder the terms:
3x + 10(2 + x) = 13 + -7x
3x + (2 * 10 + x * 10) = 13 + -7x
3x + (20 + 10x) = 13 + -7x

Reorder the terms:
20 + 3x + 10x = 13 + -7x

Combine like terms: 3x + 10x = 13x
20 + 13x = 13 + -7x

Solving
20 + 13x = 13 + -7x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '7x' to each side of the equation.
20 + 13x + 7x = 13 + -7x + 7x

Combine like terms: 13x + 7x = 20x
20 + 20x = 13 + -7x + 7x

Combine like terms: -7x + 7x = 0
20 + 20x = 13 + 0
20 + 20x = 13

Add '-20' to each side of the equation.
20 + -20 + 20x = 13 + -20

Combine like terms: 20 + -20 = 0
0 + 20x = 13 + -20
20x = 13 + -20

Combine like terms: 13 + -20 = -7
20x = -7

Divide each side by '20'.
x = -0.35

Simplifying
x = -0.35

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