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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