2(y+3)-7=20

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Solution for 2(y+3)-7=20 equation:


Simplifying
2(y + 3) + -7 = 20

Reorder the terms:
2(3 + y) + -7 = 20
(3 * 2 + y * 2) + -7 = 20
(6 + 2y) + -7 = 20

Reorder the terms:
6 + -7 + 2y = 20

Combine like terms: 6 + -7 = -1
-1 + 2y = 20

Solving
-1 + 2y = 20

Solving for variable 'y'.

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

Add '1' to each side of the equation.
-1 + 1 + 2y = 20 + 1

Combine like terms: -1 + 1 = 0
0 + 2y = 20 + 1
2y = 20 + 1

Combine like terms: 20 + 1 = 21
2y = 21

Divide each side by '2'.
y = 10.5

Simplifying
y = 10.5

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