6(-2a-3)=-90

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Solution for 6(-2a-3)=-90 equation:


Simplifying
6(-2a + -3) = -90

Reorder the terms:
6(-3 + -2a) = -90
(-3 * 6 + -2a * 6) = -90
(-18 + -12a) = -90

Solving
-18 + -12a = -90

Solving for variable 'a'.

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

Add '18' to each side of the equation.
-18 + 18 + -12a = -90 + 18

Combine like terms: -18 + 18 = 0
0 + -12a = -90 + 18
-12a = -90 + 18

Combine like terms: -90 + 18 = -72
-12a = -72

Divide each side by '-12'.
a = 6

Simplifying
a = 6

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