7y+49=9(y+7)

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Solution for 7y+49=9(y+7) equation:


Simplifying
7y + 49 = 9(y + 7)

Reorder the terms:
49 + 7y = 9(y + 7)

Reorder the terms:
49 + 7y = 9(7 + y)
49 + 7y = (7 * 9 + y * 9)
49 + 7y = (63 + 9y)

Solving
49 + 7y = 63 + 9y

Solving for variable 'y'.

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

Add '-9y' to each side of the equation.
49 + 7y + -9y = 63 + 9y + -9y

Combine like terms: 7y + -9y = -2y
49 + -2y = 63 + 9y + -9y

Combine like terms: 9y + -9y = 0
49 + -2y = 63 + 0
49 + -2y = 63

Add '-49' to each side of the equation.
49 + -49 + -2y = 63 + -49

Combine like terms: 49 + -49 = 0
0 + -2y = 63 + -49
-2y = 63 + -49

Combine like terms: 63 + -49 = 14
-2y = 14

Divide each side by '-2'.
y = -7

Simplifying
y = -7

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