12r^2+12a+7=-2

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Solution for 12r^2+12a+7=-2 equation:


Simplifying
12r2 + 12a + 7 = -2

Reorder the terms:
7 + 12a + 12r2 = -2

Solving
7 + 12a + 12r2 = -2

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 + 12a + -7 + 12r2 = -2 + -7

Reorder the terms:
7 + -7 + 12a + 12r2 = -2 + -7

Combine like terms: 7 + -7 = 0
0 + 12a + 12r2 = -2 + -7
12a + 12r2 = -2 + -7

Combine like terms: -2 + -7 = -9
12a + 12r2 = -9

Add '-12r2' to each side of the equation.
12a + 12r2 + -12r2 = -9 + -12r2

Combine like terms: 12r2 + -12r2 = 0
12a + 0 = -9 + -12r2
12a = -9 + -12r2

Divide each side by '12'.
a = -0.75 + -1r2

Simplifying
a = -0.75 + -1r2

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