-72=-18a

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Solution for -72=-18a equation:


Simplifying
-72 = -18a

Solving
-72 = -18a

Solving for variable 'a'.

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

Add '18a' to each side of the equation.
-72 + 18a = -18a + 18a

Combine like terms: -18a + 18a = 0
-72 + 18a = 0

Add '72' to each side of the equation.
-72 + 72 + 18a = 0 + 72

Combine like terms: -72 + 72 = 0
0 + 18a = 0 + 72
18a = 0 + 72

Combine like terms: 0 + 72 = 72
18a = 72

Divide each side by '18'.
a = 4

Simplifying
a = 4

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