42x+12=7(5x+3)+7x-9

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Solution for 42x+12=7(5x+3)+7x-9 equation: 


Simplifying
42x + 12 = 7(5x + 3) + 7x + -9

Reorder the terms:
12 + 42x = 7(5x + 3) + 7x + -9

Reorder the terms:
12 + 42x = 7(3 + 5x) + 7x + -9
12 + 42x = (3 * 7 + 5x * 7) + 7x + -9
12 + 42x = (21 + 35x) + 7x + -9

Reorder the terms:
12 + 42x = 21 + -9 + 35x + 7x

Combine like terms: 21 + -9 = 12
12 + 42x = 12 + 35x + 7x

Combine like terms: 35x + 7x = 42x
12 + 42x = 12 + 42x

Add '-12' to each side of the equation.
12 + -12 + 42x = 12 + -12 + 42x

Combine like terms: 12 + -12 = 0
0 + 42x = 12 + -12 + 42x
42x = 12 + -12 + 42x

Combine like terms: 12 + -12 = 0
42x = 0 + 42x
42x = 42x

Add '-42x' to each side of the equation.
42x + -42x = 42x + -42x

Combine like terms: 42x + -42x = 0
0 = 42x + -42x

Combine like terms: 42x + -42x = 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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