4x+1.50(80-x)=280

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Solution for 4x+1.50(80-x)=280 equation:


Simplifying
4x + 1.50(80 + -1x) = 280
4x + (80 * 1.50 + -1x * 1.50) = 280
4x + (120 + -1.5x) = 280

Reorder the terms:
120 + 4x + -1.5x = 280

Combine like terms: 4x + -1.5x = 2.5x
120 + 2.5x = 280

Solving
120 + 2.5x = 280

Solving for variable 'x'.

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

Add '-120' to each side of the equation.
120 + -120 + 2.5x = 280 + -120

Combine like terms: 120 + -120 = 0
0 + 2.5x = 280 + -120
2.5x = 280 + -120

Combine like terms: 280 + -120 = 160
2.5x = 160

Divide each side by '2.5'.
x = 64

Simplifying
x = 64

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