4(3y-9)+9(4-y)=10+4y-12

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Solution for 4(3y-9)+9(4-y)=10+4y-12 equation:


Simplifying
4(3y + -9) + 9(4 + -1y) = 10 + 4y + -12

Reorder the terms:
4(-9 + 3y) + 9(4 + -1y) = 10 + 4y + -12
(-9 * 4 + 3y * 4) + 9(4 + -1y) = 10 + 4y + -12
(-36 + 12y) + 9(4 + -1y) = 10 + 4y + -12
-36 + 12y + (4 * 9 + -1y * 9) = 10 + 4y + -12
-36 + 12y + (36 + -9y) = 10 + 4y + -12

Reorder the terms:
-36 + 36 + 12y + -9y = 10 + 4y + -12

Combine like terms: -36 + 36 = 0
0 + 12y + -9y = 10 + 4y + -12
12y + -9y = 10 + 4y + -12

Combine like terms: 12y + -9y = 3y
3y = 10 + 4y + -12

Reorder the terms:
3y = 10 + -12 + 4y

Combine like terms: 10 + -12 = -2
3y = -2 + 4y

Solving
3y = -2 + 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.
3y + -4y = -2 + 4y + -4y

Combine like terms: 3y + -4y = -1y
-1y = -2 + 4y + -4y

Combine like terms: 4y + -4y = 0
-1y = -2 + 0
-1y = -2

Divide each side by '-1'.
y = 2

Simplifying
y = 2

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