5-2(y+1)=21

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Solution for 5-2(y+1)=21 equation:


Simplifying
5 + -2(y + 1) = 21

Reorder the terms:
5 + -2(1 + y) = 21
5 + (1 * -2 + y * -2) = 21
5 + (-2 + -2y) = 21

Combine like terms: 5 + -2 = 3
3 + -2y = 21

Solving
3 + -2y = 21

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 + -2y = 21 + -3

Combine like terms: 3 + -3 = 0
0 + -2y = 21 + -3
-2y = 21 + -3

Combine like terms: 21 + -3 = 18
-2y = 18

Divide each side by '-2'.
y = -9

Simplifying
y = -9

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