x+2(80-x)=100-4(25-x)

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Solution for x+2(80-x)=100-4(25-x) equation:


Simplifying
x + 2(80 + -1x) = 100 + -4(25 + -1x)
x + (80 * 2 + -1x * 2) = 100 + -4(25 + -1x)
x + (160 + -2x) = 100 + -4(25 + -1x)

Reorder the terms:
160 + x + -2x = 100 + -4(25 + -1x)

Combine like terms: x + -2x = -1x
160 + -1x = 100 + -4(25 + -1x)
160 + -1x = 100 + (25 * -4 + -1x * -4)
160 + -1x = 100 + (-100 + 4x)

Combine like terms: 100 + -100 = 0
160 + -1x = 0 + 4x
160 + -1x = 4x

Solving
160 + -1x = 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
160 + -1x + -4x = 4x + -4x

Combine like terms: -1x + -4x = -5x
160 + -5x = 4x + -4x

Combine like terms: 4x + -4x = 0
160 + -5x = 0

Add '-160' to each side of the equation.
160 + -160 + -5x = 0 + -160

Combine like terms: 160 + -160 = 0
0 + -5x = 0 + -160
-5x = 0 + -160

Combine like terms: 0 + -160 = -160
-5x = -160

Divide each side by '-5'.
x = 32

Simplifying
x = 32

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