5x+5=9x+21

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Solution for 5x+5=9x+21 equation:


Simplifying
5x + 5 = 9x + 21

Reorder the terms:
5 + 5x = 9x + 21

Reorder the terms:
5 + 5x = 21 + 9x

Solving
5 + 5x = 21 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
5 + 5x + -9x = 21 + 9x + -9x

Combine like terms: 5x + -9x = -4x
5 + -4x = 21 + 9x + -9x

Combine like terms: 9x + -9x = 0
5 + -4x = 21 + 0
5 + -4x = 21

Add '-5' to each side of the equation.
5 + -5 + -4x = 21 + -5

Combine like terms: 5 + -5 = 0
0 + -4x = 21 + -5
-4x = 21 + -5

Combine like terms: 21 + -5 = 16
-4x = 16

Divide each side by '-4'.
x = -4

Simplifying
x = -4

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