3(4y+8)-(6y-25)=4y+7

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Solution for 3(4y+8)-(6y-25)=4y+7 equation:


Simplifying
3(4y + 8) + -1(6y + -25) = 4y + 7

Reorder the terms:
3(8 + 4y) + -1(6y + -25) = 4y + 7
(8 * 3 + 4y * 3) + -1(6y + -25) = 4y + 7
(24 + 12y) + -1(6y + -25) = 4y + 7

Reorder the terms:
24 + 12y + -1(-25 + 6y) = 4y + 7
24 + 12y + (-25 * -1 + 6y * -1) = 4y + 7
24 + 12y + (25 + -6y) = 4y + 7

Reorder the terms:
24 + 25 + 12y + -6y = 4y + 7

Combine like terms: 24 + 25 = 49
49 + 12y + -6y = 4y + 7

Combine like terms: 12y + -6y = 6y
49 + 6y = 4y + 7

Reorder the terms:
49 + 6y = 7 + 4y

Solving
49 + 6y = 7 + 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.
49 + 6y + -4y = 7 + 4y + -4y

Combine like terms: 6y + -4y = 2y
49 + 2y = 7 + 4y + -4y

Combine like terms: 4y + -4y = 0
49 + 2y = 7 + 0
49 + 2y = 7

Add '-49' to each side of the equation.
49 + -49 + 2y = 7 + -49

Combine like terms: 49 + -49 = 0
0 + 2y = 7 + -49
2y = 7 + -49

Combine like terms: 7 + -49 = -42
2y = -42

Divide each side by '2'.
y = -21

Simplifying
y = -21

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