180=-10(a-4)

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Solution for 180=-10(a-4) equation:


Simplifying
180 = -10(a + -4)

Reorder the terms:
180 = -10(-4 + a)
180 = (-4 * -10 + a * -10)
180 = (40 + -10a)

Solving
180 = 40 + -10a

Solving for variable 'a'.

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

Add '10a' to each side of the equation.
180 + 10a = 40 + -10a + 10a

Combine like terms: -10a + 10a = 0
180 + 10a = 40 + 0
180 + 10a = 40

Add '-180' to each side of the equation.
180 + -180 + 10a = 40 + -180

Combine like terms: 180 + -180 = 0
0 + 10a = 40 + -180
10a = 40 + -180

Combine like terms: 40 + -180 = -140
10a = -140

Divide each side by '10'.
a = -14

Simplifying
a = -14

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