7x-3(3x+2)=-18

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Solution for 7x-3(3x+2)=-18 equation:


Simplifying
7x + -3(3x + 2) = -18

Reorder the terms:
7x + -3(2 + 3x) = -18
7x + (2 * -3 + 3x * -3) = -18
7x + (-6 + -9x) = -18

Reorder the terms:
-6 + 7x + -9x = -18

Combine like terms: 7x + -9x = -2x
-6 + -2x = -18

Solving
-6 + -2x = -18

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + -2x = -18 + 6

Combine like terms: -6 + 6 = 0
0 + -2x = -18 + 6
-2x = -18 + 6

Combine like terms: -18 + 6 = -12
-2x = -12

Divide each side by '-2'.
x = 6

Simplifying
x = 6

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