1-y+2(1)=18

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Solution for 1-y+2(1)=18 equation: 


Simplifying
1 + -1y + 2(1) = 18

Multiply 2 * 1
1 + -1y + 2 = 18

Reorder the terms:
1 + 2 + -1y = 18

Combine like terms: 1 + 2 = 3
3 + -1y = 18

Solving
3 + -1y = 18

Solving for variable 'y'.

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

Add '-3' to each side of the equation.
3 + -3 + -1y = 18 + -3

Combine like terms: 3 + -3 = 0
0 + -1y = 18 + -3
-1y = 18 + -3

Combine like terms: 18 + -3 = 15
-1y = 15

Divide each side by '-1'.
y = -15

Simplifying
y = -15

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