0.20+0.60(400)=0.30(400+x)

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Solution for 0.20+0.60(400)=0.30(400+x) equation: 


Simplifying
0.20 + 0.60(400) = 0.30(400 + x)

Multiply 0.60 * 400
0.20 + 240 = 0.30(400 + x)

Combine like terms: 0.20 + 240 = 240.2
240.2 = 0.30(400 + x)
240.2 = (400 * 0.30 + x * 0.30)
240.2 = (120 + 0.30x)

Solving
240.2 = 120 + 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.
240.2 + -0.30x = 120 + 0.30x + -0.30x

Combine like terms: 0.30x + -0.30x = 0.00
240.2 + -0.30x = 120 + 0.00
240.2 + -0.30x = 120

Add '-240.2' to each side of the equation.
240.2 + -240.2 + -0.30x = 120 + -240.2

Combine like terms: 240.2 + -240.2 = 0.0
0.0 + -0.30x = 120 + -240.2
-0.30x = 120 + -240.2

Combine like terms: 120 + -240.2 = -120.2
-0.30x = -120.2

Divide each side by '-0.30'.
x = 400.6666667

Simplifying
x = 400.6666667

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