9(x+4)=3(3x+5)+21

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Solution for 9(x+4)=3(3x+5)+21 equation: 


Simplifying
9(x + 4) = 3(3x + 5) + 21

Reorder the terms:
9(4 + x) = 3(3x + 5) + 21
(4 * 9 + x * 9) = 3(3x + 5) + 21
(36 + 9x) = 3(3x + 5) + 21

Reorder the terms:
36 + 9x = 3(5 + 3x) + 21
36 + 9x = (5 * 3 + 3x * 3) + 21
36 + 9x = (15 + 9x) + 21

Reorder the terms:
36 + 9x = 15 + 21 + 9x

Combine like terms: 15 + 21 = 36
36 + 9x = 36 + 9x

Add '-36' to each side of the equation.
36 + -36 + 9x = 36 + -36 + 9x

Combine like terms: 36 + -36 = 0
0 + 9x = 36 + -36 + 9x
9x = 36 + -36 + 9x

Combine like terms: 36 + -36 = 0
9x = 0 + 9x
9x = 9x

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

Combine like terms: 9x + -9x = 0
0 = 9x + -9x

Combine like terms: 9x + -9x = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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