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

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


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

Reorder the terms:
3(-5 + 4y) + -4(y + 7) = 0
(-5 * 3 + 4y * 3) + -4(y + 7) = 0
(-15 + 12y) + -4(y + 7) = 0

Reorder the terms:
-15 + 12y + -4(7 + y) = 0
-15 + 12y + (7 * -4 + y * -4) = 0
-15 + 12y + (-28 + -4y) = 0

Reorder the terms:
-15 + -28 + 12y + -4y = 0

Combine like terms: -15 + -28 = -43
-43 + 12y + -4y = 0

Combine like terms: 12y + -4y = 8y
-43 + 8y = 0

Solving
-43 + 8y = 0

Solving for variable 'y'.

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

Add '43' to each side of the equation.
-43 + 43 + 8y = 0 + 43

Combine like terms: -43 + 43 = 0
0 + 8y = 0 + 43
8y = 0 + 43

Combine like terms: 0 + 43 = 43
8y = 43

Divide each side by '8'.
y = 5.375

Simplifying
y = 5.375

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