(a-18)4=8a

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Solution for (a-18)4=8a equation:


Simplifying
(a + -18) * 4 = 8a

Reorder the terms:
(-18 + a) * 4 = 8a

Reorder the terms for easier multiplication:
4(-18 + a) = 8a
(-18 * 4 + a * 4) = 8a
(-72 + 4a) = 8a

Solving
-72 + 4a = 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.
-72 + 4a + -8a = 8a + -8a

Combine like terms: 4a + -8a = -4a
-72 + -4a = 8a + -8a

Combine like terms: 8a + -8a = 0
-72 + -4a = 0

Add '72' to each side of the equation.
-72 + 72 + -4a = 0 + 72

Combine like terms: -72 + 72 = 0
0 + -4a = 0 + 72
-4a = 0 + 72

Combine like terms: 0 + 72 = 72
-4a = 72

Divide each side by '-4'.
a = -18

Simplifying
a = -18

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