90-(3y-10)=y

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Solution for 90-(3y-10)=y equation:


Simplifying
90 + -1(3y + -10) = y

Reorder the terms:
90 + -1(-10 + 3y) = y
90 + (-10 * -1 + 3y * -1) = y
90 + (10 + -3y) = y

Combine like terms: 90 + 10 = 100
100 + -3y = y

Solving
100 + -3y = y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
100 + -3y + -1y = y + -1y

Combine like terms: -3y + -1y = -4y
100 + -4y = y + -1y

Combine like terms: y + -1y = 0
100 + -4y = 0

Add '-100' to each side of the equation.
100 + -100 + -4y = 0 + -100

Combine like terms: 100 + -100 = 0
0 + -4y = 0 + -100
-4y = 0 + -100

Combine like terms: 0 + -100 = -100
-4y = -100

Divide each side by '-4'.
y = 25

Simplifying
y = 25

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