3(3y-15)-4y=-25

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Solution for 3(3y-15)-4y=-25 equation:


Simplifying
3(3y + -15) + -4y = -25

Reorder the terms:
3(-15 + 3y) + -4y = -25
(-15 * 3 + 3y * 3) + -4y = -25
(-45 + 9y) + -4y = -25

Combine like terms: 9y + -4y = 5y
-45 + 5y = -25

Solving
-45 + 5y = -25

Solving for variable 'y'.

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

Add '45' to each side of the equation.
-45 + 45 + 5y = -25 + 45

Combine like terms: -45 + 45 = 0
0 + 5y = -25 + 45
5y = -25 + 45

Combine like terms: -25 + 45 = 20
5y = 20

Divide each side by '5'.
y = 4

Simplifying
y = 4

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