-2a+2a=-4(4+6a)+8(-7+4a)

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Solution for -2a+2a=-4(4+6a)+8(-7+4a) equation:


Simplifying
-2a + 2a = -4(4 + 6a) + 8(-7 + 4a)

Combine like terms: -2a + 2a = 0
0 = -4(4 + 6a) + 8(-7 + 4a)
0 = (4 * -4 + 6a * -4) + 8(-7 + 4a)
0 = (-16 + -24a) + 8(-7 + 4a)
0 = -16 + -24a + (-7 * 8 + 4a * 8)
0 = -16 + -24a + (-56 + 32a)

Reorder the terms:
0 = -16 + -56 + -24a + 32a

Combine like terms: -16 + -56 = -72
0 = -72 + -24a + 32a

Combine like terms: -24a + 32a = 8a
0 = -72 + 8a

Solving
0 = -72 + 8a

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-8a' to each side of the equation.
0 + -8a = -72 + 8a + -8a
Remove the zero:
-8a = -72 + 8a + -8a

Combine like terms: 8a + -8a = 0
-8a = -72 + 0
-8a = -72

Divide each side by '-8'.
a = 9

Simplifying
a = 9

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