-a-3a=7(4a-3)+4(6-8a)

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Solution for -a-3a=7(4a-3)+4(6-8a) equation:


Simplifying
-1a + -3a = 7(4a + -3) + 4(6 + -8a)

Combine like terms: -1a + -3a = -4a
-4a = 7(4a + -3) + 4(6 + -8a)

Reorder the terms:
-4a = 7(-3 + 4a) + 4(6 + -8a)
-4a = (-3 * 7 + 4a * 7) + 4(6 + -8a)
-4a = (-21 + 28a) + 4(6 + -8a)
-4a = -21 + 28a + (6 * 4 + -8a * 4)
-4a = -21 + 28a + (24 + -32a)

Reorder the terms:
-4a = -21 + 24 + 28a + -32a

Combine like terms: -21 + 24 = 3
-4a = 3 + 28a + -32a

Combine like terms: 28a + -32a = -4a
-4a = 3 + -4a

Add '4a' to each side of the equation.
-4a + 4a = 3 + -4a + 4a

Combine like terms: -4a + 4a = 0
0 = 3 + -4a + 4a

Combine like terms: -4a + 4a = 0
0 = 3 + 0
0 = 3

Solving
0 = 3

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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