-7(5x-7)=-21

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


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

Reorder the terms:
-7(-7 + 5x) = -21
(-7 * -7 + 5x * -7) = -21
(49 + -35x) = -21

Solving
49 + -35x = -21

Solving for variable 'x'.

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

Add '-49' to each side of the equation.
49 + -49 + -35x = -21 + -49

Combine like terms: 49 + -49 = 0
0 + -35x = -21 + -49
-35x = -21 + -49

Combine like terms: -21 + -49 = -70
-35x = -70

Divide each side by '-35'.
x = 2

Simplifying
x = 2

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