3*5-2*5y+7=9y

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Solution for 3*5-2*5y+7=9y equation:


Simplifying
3 * 5 + -2 * 5y + 7 = 9y

Multiply 3 * 5
15 + -2 * 5y + 7 = 9y

Multiply -2 * 5
15 + -10y + 7 = 9y

Reorder the terms:
15 + 7 + -10y = 9y

Combine like terms: 15 + 7 = 22
22 + -10y = 9y

Solving
22 + -10y = 9y

Solving for variable 'y'.

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

Add '-9y' to each side of the equation.
22 + -10y + -9y = 9y + -9y

Combine like terms: -10y + -9y = -19y
22 + -19y = 9y + -9y

Combine like terms: 9y + -9y = 0
22 + -19y = 0

Add '-22' to each side of the equation.
22 + -22 + -19y = 0 + -22

Combine like terms: 22 + -22 = 0
0 + -19y = 0 + -22
-19y = 0 + -22

Combine like terms: 0 + -22 = -22
-19y = -22

Divide each side by '-19'.
y = 1.157894737

Simplifying
y = 1.157894737

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