3(y-7)-3y=-(y-3)-17

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Solution for 3(y-7)-3y=-(y-3)-17 equation:


Simplifying
3(y + -7) + -3y = -1(y + -3) + -17

Reorder the terms:
3(-7 + y) + -3y = -1(y + -3) + -17
(-7 * 3 + y * 3) + -3y = -1(y + -3) + -17
(-21 + 3y) + -3y = -1(y + -3) + -17

Combine like terms: 3y + -3y = 0
-21 + 0 = -1(y + -3) + -17
-21 = -1(y + -3) + -17

Reorder the terms:
-21 = -1(-3 + y) + -17
-21 = (-3 * -1 + y * -1) + -17
-21 = (3 + -1y) + -17

Reorder the terms:
-21 = 3 + -17 + -1y

Combine like terms: 3 + -17 = -14
-21 = -14 + -1y

Solving
-21 = -14 + -1y

Solving for variable 'y'.

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

Add 'y' to each side of the equation.
-21 + y = -14 + -1y + y

Combine like terms: -1y + y = 0
-21 + y = -14 + 0
-21 + y = -14

Add '21' to each side of the equation.
-21 + 21 + y = -14 + 21

Combine like terms: -21 + 21 = 0
0 + y = -14 + 21
y = -14 + 21

Combine like terms: -14 + 21 = 7
y = 7

Simplifying
y = 7

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