(3y-8)-(4y-15)=0

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Solution for (3y-8)-(4y-15)=0 equation:


Simplifying
(3y + -8) + -1(4y + -15) = 0

Reorder the terms:
(-8 + 3y) + -1(4y + -15) = 0

Remove parenthesis around (-8 + 3y)
-8 + 3y + -1(4y + -15) = 0

Reorder the terms:
-8 + 3y + -1(-15 + 4y) = 0
-8 + 3y + (-15 * -1 + 4y * -1) = 0
-8 + 3y + (15 + -4y) = 0

Reorder the terms:
-8 + 15 + 3y + -4y = 0

Combine like terms: -8 + 15 = 7
7 + 3y + -4y = 0

Combine like terms: 3y + -4y = -1y
7 + -1y = 0

Solving
7 + -1y = 0

Solving for variable 'y'.

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

Add '-7' to each side of the equation.
7 + -7 + -1y = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -1y = 0 + -7
-1y = 0 + -7

Combine like terms: 0 + -7 = -7
-1y = -7

Divide each side by '-1'.
y = 7

Simplifying
y = 7

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