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

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


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

Combine like terms: 18 + 3 = 21
21 = -3(2x + -7)

Reorder the terms:
21 = -3(-7 + 2x)
21 = (-7 * -3 + 2x * -3)
21 = (21 + -6x)

Add '-21' to each side of the equation.
21 + -21 = 21 + -21 + -6x

Combine like terms: 21 + -21 = 0
0 = 21 + -21 + -6x

Combine like terms: 21 + -21 = 0
0 = 0 + -6x
0 = -6x

Solving
0 = -6x

Solving for variable 'x'.

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

Add '6x' to each side of the equation.
0 + 6x = -6x + 6x
Remove the zero:
6x = -6x + 6x

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

Divide each side by '6'.
x = 0

Simplifying
x = 0

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