2-1y-4y=7

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Solution for 2-1y-4y=7 equation: 


Simplifying
2 + -1y + -4y = 7

Combine like terms: -1y + -4y = -5y
2 + -5y = 7

Solving
2 + -5y = 7

Solving for variable 'y'.

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

Add '-2' to each side of the equation.
2 + -2 + -5y = 7 + -2

Combine like terms: 2 + -2 = 0
0 + -5y = 7 + -2
-5y = 7 + -2

Combine like terms: 7 + -2 = 5
-5y = 5

Divide each side by '-5'.
y = -1

Simplifying
y = -1

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