3(2y-7)-(5y+4)=

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Solution for 3(2y-7)-(5y+4)= equation:


Simplifying
3(2y + -7) + -1(5y + 4) = 0

Reorder the terms:
3(-7 + 2y) + -1(5y + 4) = 0
(-7 * 3 + 2y * 3) + -1(5y + 4) = 0
(-21 + 6y) + -1(5y + 4) = 0

Reorder the terms:
-21 + 6y + -1(4 + 5y) = 0
-21 + 6y + (4 * -1 + 5y * -1) = 0
-21 + 6y + (-4 + -5y) = 0

Reorder the terms:
-21 + -4 + 6y + -5y = 0

Combine like terms: -21 + -4 = -25
-25 + 6y + -5y = 0

Combine like terms: 6y + -5y = 1y
-25 + 1y = 0

Solving
-25 + 1y = 0

Solving for variable 'y'.

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

Add '25' to each side of the equation.
-25 + 25 + 1y = 0 + 25

Combine like terms: -25 + 25 = 0
0 + 1y = 0 + 25
1y = 0 + 25

Combine like terms: 0 + 25 = 25
1y = 25

Divide each side by '1'.
y = 25

Simplifying
y = 25

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