5x+4(100-x)=480

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Solution for 5x+4(100-x)=480 equation:


Simplifying
5x + 4(100 + -1x) = 480
5x + (100 * 4 + -1x * 4) = 480
5x + (400 + -4x) = 480

Reorder the terms:
400 + 5x + -4x = 480

Combine like terms: 5x + -4x = 1x
400 + 1x = 480

Solving
400 + 1x = 480

Solving for variable 'x'.

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

Add '-400' to each side of the equation.
400 + -400 + 1x = 480 + -400

Combine like terms: 400 + -400 = 0
0 + 1x = 480 + -400
1x = 480 + -400

Combine like terms: 480 + -400 = 80
1x = 80

Divide each side by '1'.
x = 80

Simplifying
x = 80

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