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

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


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

Reorder the terms:
3(3 + 5y) + -4(3y + -4) + -7y = 0
(3 * 3 + 5y * 3) + -4(3y + -4) + -7y = 0
(9 + 15y) + -4(3y + -4) + -7y = 0

Reorder the terms:
9 + 15y + -4(-4 + 3y) + -7y = 0
9 + 15y + (-4 * -4 + 3y * -4) + -7y = 0
9 + 15y + (16 + -12y) + -7y = 0

Reorder the terms:
9 + 16 + 15y + -12y + -7y = 0

Combine like terms: 9 + 16 = 25
25 + 15y + -12y + -7y = 0

Combine like terms: 15y + -12y = 3y
25 + 3y + -7y = 0

Combine like terms: 3y + -7y = -4y
25 + -4y = 0

Solving
25 + -4y = 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 + -4y = 0 + -25

Combine like terms: 25 + -25 = 0
0 + -4y = 0 + -25
-4y = 0 + -25

Combine like terms: 0 + -25 = -25
-4y = -25

Divide each side by '-4'.
y = 6.25

Simplifying
y = 6.25

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