800(.8)+2x=1.2(800+x)

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Solution for 800(.8)+2x=1.2(800+x) equation:


Simplifying
800(0.8) + 2x = 1.2(800 + x)

Multiply 800 * 0.8
640 + 2x = 1.2(800 + x)
640 + 2x = (800 * 1.2 + x * 1.2)
640 + 2x = (960 + 1.2x)

Solving
640 + 2x = 960 + 1.2x

Solving for variable 'x'.

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

Add '-1.2x' to each side of the equation.
640 + 2x + -1.2x = 960 + 1.2x + -1.2x

Combine like terms: 2x + -1.2x = 0.8x
640 + 0.8x = 960 + 1.2x + -1.2x

Combine like terms: 1.2x + -1.2x = 0.0
640 + 0.8x = 960 + 0.0
640 + 0.8x = 960

Add '-640' to each side of the equation.
640 + -640 + 0.8x = 960 + -640

Combine like terms: 640 + -640 = 0
0 + 0.8x = 960 + -640
0.8x = 960 + -640

Combine like terms: 960 + -640 = 320
0.8x = 320

Divide each side by '0.8'.
x = 400

Simplifying
x = 400

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