-7-3(6x+3)=-13

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Solution for -7-3(6x+3)=-13 equation:


Simplifying
-7 + -3(6x + 3) = -13

Reorder the terms:
-7 + -3(3 + 6x) = -13
-7 + (3 * -3 + 6x * -3) = -13
-7 + (-9 + -18x) = -13

Combine like terms: -7 + -9 = -16
-16 + -18x = -13

Solving
-16 + -18x = -13

Solving for variable 'x'.

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

Add '16' to each side of the equation.
-16 + 16 + -18x = -13 + 16

Combine like terms: -16 + 16 = 0
0 + -18x = -13 + 16
-18x = -13 + 16

Combine like terms: -13 + 16 = 3
-18x = 3

Divide each side by '-18'.
x = -0.1666666667

Simplifying
x = -0.1666666667

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