4y+9+2y-15=90

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Solution for 4y+9+2y-15=90 equation:


Simplifying
4y + 9 + 2y + -15 = 90

Reorder the terms:
9 + -15 + 4y + 2y = 90

Combine like terms: 9 + -15 = -6
-6 + 4y + 2y = 90

Combine like terms: 4y + 2y = 6y
-6 + 6y = 90

Solving
-6 + 6y = 90

Solving for variable 'y'.

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

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

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

Combine like terms: 90 + 6 = 96
6y = 96

Divide each side by '6'.
y = 16

Simplifying
y = 16

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