55-15=5(X-5)

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Solution for 55-15=5(X-5) equation:


Simplifying
55 + -15 = 5(X + -5)

Combine like terms: 55 + -15 = 40
40 = 5(X + -5)

Reorder the terms:
40 = 5(-5 + X)
40 = (-5 * 5 + X * 5)
40 = (-25 + 5X)

Solving
40 = -25 + 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.
40 + -5X = -25 + 5X + -5X

Combine like terms: 5X + -5X = 0
40 + -5X = -25 + 0
40 + -5X = -25

Add '-40' to each side of the equation.
40 + -40 + -5X = -25 + -40

Combine like terms: 40 + -40 = 0
0 + -5X = -25 + -40
-5X = -25 + -40

Combine like terms: -25 + -40 = -65
-5X = -65

Divide each side by '-5'.
X = 13

Simplifying
X = 13

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