.20x+.70(200)=.30(200+x)

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Solution for .20x+.70(200)=.30(200+x) equation:


Simplifying
0.20x + 0.70(200) = 0.30(200 + x)

Multiply 0.70 * 200
0.20x + 140 = 0.30(200 + x)

Reorder the terms:
140 + 0.20x = 0.30(200 + x)
140 + 0.20x = (200 * 0.30 + x * 0.30)
140 + 0.20x = (60 + 0.30x)

Solving
140 + 0.20x = 60 + 0.30x

Solving for variable 'x'.

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

Add '-0.30x' to each side of the equation.
140 + 0.20x + -0.30x = 60 + 0.30x + -0.30x

Combine like terms: 0.20x + -0.30x = -0.1x
140 + -0.1x = 60 + 0.30x + -0.30x

Combine like terms: 0.30x + -0.30x = 0.00
140 + -0.1x = 60 + 0.00
140 + -0.1x = 60

Add '-140' to each side of the equation.
140 + -140 + -0.1x = 60 + -140

Combine like terms: 140 + -140 = 0
0 + -0.1x = 60 + -140
-0.1x = 60 + -140

Combine like terms: 60 + -140 = -80
-0.1x = -80

Divide each side by '-0.1'.
x = 800

Simplifying
x = 800

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