7(6a-9)+12=31+42a

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Solution for 7(6a-9)+12=31+42a equation: 


Simplifying
7(6a + -9) + 12 = 31 + 42a

Reorder the terms:
7(-9 + 6a) + 12 = 31 + 42a
(-9 * 7 + 6a * 7) + 12 = 31 + 42a
(-63 + 42a) + 12 = 31 + 42a

Reorder the terms:
-63 + 12 + 42a = 31 + 42a

Combine like terms: -63 + 12 = -51
-51 + 42a = 31 + 42a

Add '-42a' to each side of the equation.
-51 + 42a + -42a = 31 + 42a + -42a

Combine like terms: 42a + -42a = 0
-51 + 0 = 31 + 42a + -42a
-51 = 31 + 42a + -42a

Combine like terms: 42a + -42a = 0
-51 = 31 + 0
-51 = 31

Solving
-51 = 31

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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