3x-15(x+2)=13-7x

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Solution for 3x-15(x+2)=13-7x equation:


Simplifying
3x + -15(x + 2) = 13 + -7x

Reorder the terms:
3x + -15(2 + x) = 13 + -7x
3x + (2 * -15 + x * -15) = 13 + -7x
3x + (-30 + -15x) = 13 + -7x

Reorder the terms:
-30 + 3x + -15x = 13 + -7x

Combine like terms: 3x + -15x = -12x
-30 + -12x = 13 + -7x

Solving
-30 + -12x = 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.
-30 + -12x + 7x = 13 + -7x + 7x

Combine like terms: -12x + 7x = -5x
-30 + -5x = 13 + -7x + 7x

Combine like terms: -7x + 7x = 0
-30 + -5x = 13 + 0
-30 + -5x = 13

Add '30' to each side of the equation.
-30 + 30 + -5x = 13 + 30

Combine like terms: -30 + 30 = 0
0 + -5x = 13 + 30
-5x = 13 + 30

Combine like terms: 13 + 30 = 43
-5x = 43

Divide each side by '-5'.
x = -8.6

Simplifying
x = -8.6

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