9y+42=2(y+7)

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Solution for 9y+42=2(y+7) equation:


Simplifying
9y + 42 = 2(y + 7)

Reorder the terms:
42 + 9y = 2(y + 7)

Reorder the terms:
42 + 9y = 2(7 + y)
42 + 9y = (7 * 2 + y * 2)
42 + 9y = (14 + 2y)

Solving
42 + 9y = 14 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
42 + 9y + -2y = 14 + 2y + -2y

Combine like terms: 9y + -2y = 7y
42 + 7y = 14 + 2y + -2y

Combine like terms: 2y + -2y = 0
42 + 7y = 14 + 0
42 + 7y = 14

Add '-42' to each side of the equation.
42 + -42 + 7y = 14 + -42

Combine like terms: 42 + -42 = 0
0 + 7y = 14 + -42
7y = 14 + -42

Combine like terms: 14 + -42 = -28
7y = -28

Divide each side by '7'.
y = -4

Simplifying
y = -4

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