7(Y-1)=5Y-15

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Solution for 7(Y-1)=5Y-15 equation:


Simplifying
7(Y + -1) = 5Y + -15

Reorder the terms:
7(-1 + Y) = 5Y + -15
(-1 * 7 + Y * 7) = 5Y + -15
(-7 + 7Y) = 5Y + -15

Reorder the terms:
-7 + 7Y = -15 + 5Y

Solving
-7 + 7Y = -15 + 5Y

Solving for variable 'Y'.

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

Add '-5Y' to each side of the equation.
-7 + 7Y + -5Y = -15 + 5Y + -5Y

Combine like terms: 7Y + -5Y = 2Y
-7 + 2Y = -15 + 5Y + -5Y

Combine like terms: 5Y + -5Y = 0
-7 + 2Y = -15 + 0
-7 + 2Y = -15

Add '7' to each side of the equation.
-7 + 7 + 2Y = -15 + 7

Combine like terms: -7 + 7 = 0
0 + 2Y = -15 + 7
2Y = -15 + 7

Combine like terms: -15 + 7 = -8
2Y = -8

Divide each side by '2'.
Y = -4

Simplifying
Y = -4

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