.80x+.20(600)=.70(x+600)

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Solution for .80x+.20(600)=.70(x+600) equation:


Simplifying
0.80x + 0.20(600) = 0.70(x + 600)

Multiply 0.20 * 600
0.80x + 120 = 0.70(x + 600)

Reorder the terms:
120 + 0.80x = 0.70(x + 600)

Reorder the terms:
120 + 0.80x = 0.70(600 + x)
120 + 0.80x = (600 * 0.70 + x * 0.70)
120 + 0.80x = (420 + 0.70x)

Solving
120 + 0.80x = 420 + 0.70x

Solving for variable 'x'.

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

Add '-0.70x' to each side of the equation.
120 + 0.80x + -0.70x = 420 + 0.70x + -0.70x

Combine like terms: 0.80x + -0.70x = 0.1x
120 + 0.1x = 420 + 0.70x + -0.70x

Combine like terms: 0.70x + -0.70x = 0.00
120 + 0.1x = 420 + 0.00
120 + 0.1x = 420

Add '-120' to each side of the equation.
120 + -120 + 0.1x = 420 + -120

Combine like terms: 120 + -120 = 0
0 + 0.1x = 420 + -120
0.1x = 420 + -120

Combine like terms: 420 + -120 = 300
0.1x = 300

Divide each side by '0.1'.
x = 3000

Simplifying
x = 3000

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