21x+30=3(5x+8)+6x+6

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Solution for 21x+30=3(5x+8)+6x+6 equation: 


Simplifying
21x + 30 = 3(5x + 8) + 6x + 6

Reorder the terms:
30 + 21x = 3(5x + 8) + 6x + 6

Reorder the terms:
30 + 21x = 3(8 + 5x) + 6x + 6
30 + 21x = (8 * 3 + 5x * 3) + 6x + 6
30 + 21x = (24 + 15x) + 6x + 6

Reorder the terms:
30 + 21x = 24 + 6 + 15x + 6x

Combine like terms: 24 + 6 = 30
30 + 21x = 30 + 15x + 6x

Combine like terms: 15x + 6x = 21x
30 + 21x = 30 + 21x

Add '-30' to each side of the equation.
30 + -30 + 21x = 30 + -30 + 21x

Combine like terms: 30 + -30 = 0
0 + 21x = 30 + -30 + 21x
21x = 30 + -30 + 21x

Combine like terms: 30 + -30 = 0
21x = 0 + 21x
21x = 21x

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

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

Combine like terms: 21x + -21x = 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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