-9r-7=7r+25

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Solution for -9r-7=7r+25 equation:


Simplifying
-9r + -7 = 7r + 25

Reorder the terms:
-7 + -9r = 7r + 25

Reorder the terms:
-7 + -9r = 25 + 7r

Solving
-7 + -9r = 25 + 7r

Solving for variable 'r'.

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

Add '-7r' to each side of the equation.
-7 + -9r + -7r = 25 + 7r + -7r

Combine like terms: -9r + -7r = -16r
-7 + -16r = 25 + 7r + -7r

Combine like terms: 7r + -7r = 0
-7 + -16r = 25 + 0
-7 + -16r = 25

Add '7' to each side of the equation.
-7 + 7 + -16r = 25 + 7

Combine like terms: -7 + 7 = 0
0 + -16r = 25 + 7
-16r = 25 + 7

Combine like terms: 25 + 7 = 32
-16r = 32

Divide each side by '-16'.
r = -2

Simplifying
r = -2

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