13-3(x+7)=15

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


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

Reorder the terms:
13 + -3(7 + x) = 15
13 + (7 * -3 + x * -3) = 15
13 + (-21 + -3x) = 15

Combine like terms: 13 + -21 = -8
-8 + -3x = 15

Solving
-8 + -3x = 15

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + -3x = 15 + 8

Combine like terms: -8 + 8 = 0
0 + -3x = 15 + 8
-3x = 15 + 8

Combine like terms: 15 + 8 = 23
-3x = 23

Divide each side by '-3'.
x = -7.666666667

Simplifying
x = -7.666666667

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