840=5(x+18)

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Solution for 840=5(x+18) equation:


Simplifying
840 = 5(x + 18)

Reorder the terms:
840 = 5(18 + x)
840 = (18 * 5 + x * 5)
840 = (90 + 5x)

Solving
840 = 90 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
840 + -5x = 90 + 5x + -5x

Combine like terms: 5x + -5x = 0
840 + -5x = 90 + 0
840 + -5x = 90

Add '-840' to each side of the equation.
840 + -840 + -5x = 90 + -840

Combine like terms: 840 + -840 = 0
0 + -5x = 90 + -840
-5x = 90 + -840

Combine like terms: 90 + -840 = -750
-5x = -750

Divide each side by '-5'.
x = 150

Simplifying
x = 150

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