126=7(5x-7)

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Solution for 126=7(5x-7) equation:


Simplifying
126 = 7(5x + -7)

Reorder the terms:
126 = 7(-7 + 5x)
126 = (-7 * 7 + 5x * 7)
126 = (-49 + 35x)

Solving
126 = -49 + 35x

Solving for variable 'x'.

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

Add '-35x' to each side of the equation.
126 + -35x = -49 + 35x + -35x

Combine like terms: 35x + -35x = 0
126 + -35x = -49 + 0
126 + -35x = -49

Add '-126' to each side of the equation.
126 + -126 + -35x = -49 + -126

Combine like terms: 126 + -126 = 0
0 + -35x = -49 + -126
-35x = -49 + -126

Combine like terms: -49 + -126 = -175
-35x = -175

Divide each side by '-35'.
x = 5

Simplifying
x = 5

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