.40x+.70(100)=.60(100+x)

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Solution for .40x+.70(100)=.60(100+x) equation:


Simplifying
0.40x + 0.70(100) = 0.60(100 + x)

Multiply 0.70 * 100
0.40x + 70 = 0.60(100 + x)

Reorder the terms:
70 + 0.40x = 0.60(100 + x)
70 + 0.40x = (100 * 0.60 + x * 0.60)
70 + 0.40x = (60 + 0.60x)

Solving
70 + 0.40x = 60 + 0.60x

Solving for variable 'x'.

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

Add '-0.60x' to each side of the equation.
70 + 0.40x + -0.60x = 60 + 0.60x + -0.60x

Combine like terms: 0.40x + -0.60x = -0.2x
70 + -0.2x = 60 + 0.60x + -0.60x

Combine like terms: 0.60x + -0.60x = 0.00
70 + -0.2x = 60 + 0.00
70 + -0.2x = 60

Add '-70' to each side of the equation.
70 + -70 + -0.2x = 60 + -70

Combine like terms: 70 + -70 = 0
0 + -0.2x = 60 + -70
-0.2x = 60 + -70

Combine like terms: 60 + -70 = -10
-0.2x = -10

Divide each side by '-0.2'.
x = 50

Simplifying
x = 50

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