18=-7x-3

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Solution for 18=-7x-3 equation:


Simplifying
18 = -7x + -3

Reorder the terms:
18 = -3 + -7x

Solving
18 = -3 + -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.
18 + 7x = -3 + -7x + 7x

Combine like terms: -7x + 7x = 0
18 + 7x = -3 + 0
18 + 7x = -3

Add '-18' to each side of the equation.
18 + -18 + 7x = -3 + -18

Combine like terms: 18 + -18 = 0
0 + 7x = -3 + -18
7x = -3 + -18

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

Divide each side by '7'.
x = -3

Simplifying
x = -3

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