3(y-5)=7(y-5)

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Solution for 3(y-5)=7(y-5) equation:


Simplifying
3(y + -5) = 7(y + -5)

Reorder the terms:
3(-5 + y) = 7(y + -5)
(-5 * 3 + y * 3) = 7(y + -5)
(-15 + 3y) = 7(y + -5)

Reorder the terms:
-15 + 3y = 7(-5 + y)
-15 + 3y = (-5 * 7 + y * 7)
-15 + 3y = (-35 + 7y)

Solving
-15 + 3y = -35 + 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
-15 + 3y + -7y = -35 + 7y + -7y

Combine like terms: 3y + -7y = -4y
-15 + -4y = -35 + 7y + -7y

Combine like terms: 7y + -7y = 0
-15 + -4y = -35 + 0
-15 + -4y = -35

Add '15' to each side of the equation.
-15 + 15 + -4y = -35 + 15

Combine like terms: -15 + 15 = 0
0 + -4y = -35 + 15
-4y = -35 + 15

Combine like terms: -35 + 15 = -20
-4y = -20

Divide each side by '-4'.
y = 5

Simplifying
y = 5

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