-12a^2-(-4a^2+7)=

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Solution for -12a^2-(-4a^2+7)= equation:


Simplifying
-12a2 + -1(-4a2 + 7) = 0

Reorder the terms:
-12a2 + -1(7 + -4a2) = 0
-12a2 + (7 * -1 + -4a2 * -1) = 0
-12a2 + (-7 + 4a2) = 0

Reorder the terms:
-7 + -12a2 + 4a2 = 0

Combine like terms: -12a2 + 4a2 = -8a2
-7 + -8a2 = 0

Solving
-7 + -8a2 = 0

Solving for variable 'a'.

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

Add '7' to each side of the equation.
-7 + 7 + -8a2 = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -8a2 = 0 + 7
-8a2 = 0 + 7

Combine like terms: 0 + 7 = 7
-8a2 = 7

Divide each side by '-8'.
a2 = -0.875

Simplifying
a2 = -0.875

Reorder the terms:
0.875 + a2 = -0.875 + 0.875

Combine like terms: -0.875 + 0.875 = 0.000
0.875 + a2 = 0.000

The solution to this equation could not be determined.

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