5x+10(80-x)=640

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Solution for 5x+10(80-x)=640 equation:


Simplifying
5x + 10(80 + -1x) = 640
5x + (80 * 10 + -1x * 10) = 640
5x + (800 + -10x) = 640

Reorder the terms:
800 + 5x + -10x = 640

Combine like terms: 5x + -10x = -5x
800 + -5x = 640

Solving
800 + -5x = 640

Solving for variable 'x'.

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

Add '-800' to each side of the equation.
800 + -800 + -5x = 640 + -800

Combine like terms: 800 + -800 = 0
0 + -5x = 640 + -800
-5x = 640 + -800

Combine like terms: 640 + -800 = -160
-5x = -160

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

Simplifying
x = 32

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