7+15y-1=6y+90-3y

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Solution for 7+15y-1=6y+90-3y equation:


Simplifying
7 + 15y + -1 = 6y + 90 + -3y

Reorder the terms:
7 + -1 + 15y = 6y + 90 + -3y

Combine like terms: 7 + -1 = 6
6 + 15y = 6y + 90 + -3y

Reorder the terms:
6 + 15y = 90 + 6y + -3y

Combine like terms: 6y + -3y = 3y
6 + 15y = 90 + 3y

Solving
6 + 15y = 90 + 3y

Solving for variable 'y'.

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

Add '-3y' to each side of the equation.
6 + 15y + -3y = 90 + 3y + -3y

Combine like terms: 15y + -3y = 12y
6 + 12y = 90 + 3y + -3y

Combine like terms: 3y + -3y = 0
6 + 12y = 90 + 0
6 + 12y = 90

Add '-6' to each side of the equation.
6 + -6 + 12y = 90 + -6

Combine like terms: 6 + -6 = 0
0 + 12y = 90 + -6
12y = 90 + -6

Combine like terms: 90 + -6 = 84
12y = 84

Divide each side by '12'.
y = 7

Simplifying
y = 7

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