7y-15=4(y-3)

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Solution for 7y-15=4(y-3) equation:


Simplifying
7y + -15 = 4(y + -3)

Reorder the terms:
-15 + 7y = 4(y + -3)

Reorder the terms:
-15 + 7y = 4(-3 + y)
-15 + 7y = (-3 * 4 + y * 4)
-15 + 7y = (-12 + 4y)

Solving
-15 + 7y = -12 + 4y

Solving for variable 'y'.

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

Add '-4y' to each side of the equation.
-15 + 7y + -4y = -12 + 4y + -4y

Combine like terms: 7y + -4y = 3y
-15 + 3y = -12 + 4y + -4y

Combine like terms: 4y + -4y = 0
-15 + 3y = -12 + 0
-15 + 3y = -12

Add '15' to each side of the equation.
-15 + 15 + 3y = -12 + 15

Combine like terms: -15 + 15 = 0
0 + 3y = -12 + 15
3y = -12 + 15

Combine like terms: -12 + 15 = 3
3y = 3

Divide each side by '3'.
y = 1

Simplifying
y = 1

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