40-.3y=.7y

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Solution for 40-.3y=.7y equation:


Simplifying
40 + -0.3y = 0.7y

Solving
40 + -0.3y = 0.7y

Solving for variable 'y'.

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

Add '-0.7y' to each side of the equation.
40 + -0.3y + -0.7y = 0.7y + -0.7y

Combine like terms: -0.3y + -0.7y = -1y
40 + -1y = 0.7y + -0.7y

Combine like terms: 0.7y + -0.7y = 0.0
40 + -1y = 0.0

Add '-40' to each side of the equation.
40 + -40 + -1y = 0.0 + -40

Combine like terms: 40 + -40 = 0
0 + -1y = 0.0 + -40
-1y = 0.0 + -40

Combine like terms: 0.0 + -40 = -40
-1y = -40

Divide each side by '-1'.
y = 40

Simplifying
y = 40

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