a+220=x-2(x+5)2

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Solution for a+220=x-2(x+5)2 equation:


Simplifying
a + 220 = x + -2(x + 5) * 2

Reorder the terms:
220 + a = x + -2(x + 5) * 2

Reorder the terms:
220 + a = x + -2(5 + x) * 2

Reorder the terms for easier multiplication:
220 + a = x + -2 * 2(5 + x)

Multiply -2 * 2
220 + a = x + -4(5 + x)
220 + a = x + (5 * -4 + x * -4)
220 + a = x + (-20 + -4x)

Reorder the terms:
220 + a = -20 + x + -4x

Combine like terms: x + -4x = -3x
220 + a = -20 + -3x

Solving
220 + a = -20 + -3x

Solving for variable 'a'.

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

Add '-220' to each side of the equation.
220 + -220 + a = -20 + -220 + -3x

Combine like terms: 220 + -220 = 0
0 + a = -20 + -220 + -3x
a = -20 + -220 + -3x

Combine like terms: -20 + -220 = -240
a = -240 + -3x

Simplifying
a = -240 + -3x

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