7r+8=9r+14

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Solution for 7r+8=9r+14 equation:


Simplifying
7r + 8 = 9r + 14

Reorder the terms:
8 + 7r = 9r + 14

Reorder the terms:
8 + 7r = 14 + 9r

Solving
8 + 7r = 14 + 9r

Solving for variable 'r'.

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

Add '-9r' to each side of the equation.
8 + 7r + -9r = 14 + 9r + -9r

Combine like terms: 7r + -9r = -2r
8 + -2r = 14 + 9r + -9r

Combine like terms: 9r + -9r = 0
8 + -2r = 14 + 0
8 + -2r = 14

Add '-8' to each side of the equation.
8 + -8 + -2r = 14 + -8

Combine like terms: 8 + -8 = 0
0 + -2r = 14 + -8
-2r = 14 + -8

Combine like terms: 14 + -8 = 6
-2r = 6

Divide each side by '-2'.
r = -3

Simplifying
r = -3

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