-21+7X=5(x-7)

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Solution for -21+7X=5(x-7) equation:


Simplifying
-21 + 7X = 5(x + -7)

Reorder the terms:
-21 + 7X = 5(-7 + x)
-21 + 7X = (-7 * 5 + x * 5)
-21 + 7X = (-35 + 5x)

Solving
-21 + 7X = -35 + 5x

Solving for variable 'X'.

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

Add '21' to each side of the equation.
-21 + 21 + 7X = -35 + 21 + 5x

Combine like terms: -21 + 21 = 0
0 + 7X = -35 + 21 + 5x
7X = -35 + 21 + 5x

Combine like terms: -35 + 21 = -14
7X = -14 + 5x

Divide each side by '7'.
X = -2 + 0.7142857143x

Simplifying
X = -2 + 0.7142857143x

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