5x-35=7x-21

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Solution for 5x-35=7x-21 equation:


Simplifying
5x + -35 = 7x + -21

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

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

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

Combine like terms: 5x + -7x = -2x
-35 + -2x = -21 + 7x + -7x

Combine like terms: 7x + -7x = 0
-35 + -2x = -21 + 0
-35 + -2x = -21

Add '35' to each side of the equation.
-35 + 35 + -2x = -21 + 35

Combine like terms: -35 + 35 = 0
0 + -2x = -21 + 35
-2x = -21 + 35

Combine like terms: -21 + 35 = 14
-2x = 14

Divide each side by '-2'.
x = -7

Simplifying
x = -7

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