3(9y-4)-(2y+9)=

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Solution for 3(9y-4)-(2y+9)= equation:


Simplifying
3(9y + -4) + -1(2y + 9) = 0

Reorder the terms:
3(-4 + 9y) + -1(2y + 9) = 0
(-4 * 3 + 9y * 3) + -1(2y + 9) = 0
(-12 + 27y) + -1(2y + 9) = 0

Reorder the terms:
-12 + 27y + -1(9 + 2y) = 0
-12 + 27y + (9 * -1 + 2y * -1) = 0
-12 + 27y + (-9 + -2y) = 0

Reorder the terms:
-12 + -9 + 27y + -2y = 0

Combine like terms: -12 + -9 = -21
-21 + 27y + -2y = 0

Combine like terms: 27y + -2y = 25y
-21 + 25y = 0

Solving
-21 + 25y = 0

Solving for variable 'y'.

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

Add '21' to each side of the equation.
-21 + 21 + 25y = 0 + 21

Combine like terms: -21 + 21 = 0
0 + 25y = 0 + 21
25y = 0 + 21

Combine like terms: 0 + 21 = 21
25y = 21

Divide each side by '25'.
y = 0.84

Simplifying
y = 0.84

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