5x+5(x-18)=30

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Solution for 5x+5(x-18)=30 equation:


Simplifying
5x + 5(x + -18) = 30

Reorder the terms:
5x + 5(-18 + x) = 30
5x + (-18 * 5 + x * 5) = 30
5x + (-90 + 5x) = 30

Reorder the terms:
-90 + 5x + 5x = 30

Combine like terms: 5x + 5x = 10x
-90 + 10x = 30

Solving
-90 + 10x = 30

Solving for variable 'x'.

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

Add '90' to each side of the equation.
-90 + 90 + 10x = 30 + 90

Combine like terms: -90 + 90 = 0
0 + 10x = 30 + 90
10x = 30 + 90

Combine like terms: 30 + 90 = 120
10x = 120

Divide each side by '10'.
x = 12

Simplifying
x = 12

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