y+3y-1+5+y=90

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Solution for y+3y-1+5+y=90 equation:


Simplifying
y + 3y + -1 + 5 + y = 90

Reorder the terms:
-1 + 5 + y + 3y + y = 90

Combine like terms: -1 + 5 = 4
4 + y + 3y + y = 90

Combine like terms: y + 3y = 4y
4 + 4y + y = 90

Combine like terms: 4y + y = 5y
4 + 5y = 90

Solving
4 + 5y = 90

Solving for variable 'y'.

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

Add '-4' to each side of the equation.
4 + -4 + 5y = 90 + -4

Combine like terms: 4 + -4 = 0
0 + 5y = 90 + -4
5y = 90 + -4

Combine like terms: 90 + -4 = 86
5y = 86

Divide each side by '5'.
y = 17.2

Simplifying
y = 17.2

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