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

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


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

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

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

Solving for variable 'x'.

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

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

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

Combine like terms: 7x + -7x = 0
35 + -14x = -21 + 0
35 + -14x = -21

Add '-35' to each side of the equation.
35 + -35 + -14x = -21 + -35

Combine like terms: 35 + -35 = 0
0 + -14x = -21 + -35
-14x = -21 + -35

Combine like terms: -21 + -35 = -56
-14x = -56

Divide each side by '-14'.
x = 4

Simplifying
x = 4

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