18=(3x+7)-19

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Solution for 18=(3x+7)-19 equation:


Simplifying
18 = (3x + 7) + -19

Reorder the terms:
18 = (7 + 3x) + -19

Remove parenthesis around (7 + 3x)
18 = 7 + 3x + -19

Reorder the terms:
18 = 7 + -19 + 3x

Combine like terms: 7 + -19 = -12
18 = -12 + 3x

Solving
18 = -12 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
18 + -3x = -12 + 3x + -3x

Combine like terms: 3x + -3x = 0
18 + -3x = -12 + 0
18 + -3x = -12

Add '-18' to each side of the equation.
18 + -18 + -3x = -12 + -18

Combine like terms: 18 + -18 = 0
0 + -3x = -12 + -18
-3x = -12 + -18

Combine like terms: -12 + -18 = -30
-3x = -30

Divide each side by '-3'.
x = 10

Simplifying
x = 10

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