7(5x+3)=x+21

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Solution for 7(5x+3)=x+21 equation:


Simplifying
7(5x + 3) = x + 21

Reorder the terms:
7(3 + 5x) = x + 21
(3 * 7 + 5x * 7) = x + 21
(21 + 35x) = x + 21

Reorder the terms:
21 + 35x = 21 + x

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

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

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

Solving
35x = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
35x + -1x = x + -1x

Combine like terms: 35x + -1x = 34x
34x = x + -1x

Combine like terms: x + -1x = 0
34x = 0

Divide each side by '34'.
x = 0

Simplifying
x = 0

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