8r-3=4+9r

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Solution for 8r-3=4+9r equation:


Simplifying
8r + -3 = 4 + 9r

Reorder the terms:
-3 + 8r = 4 + 9r

Solving
-3 + 8r = 4 + 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.
-3 + 8r + -9r = 4 + 9r + -9r

Combine like terms: 8r + -9r = -1r
-3 + -1r = 4 + 9r + -9r

Combine like terms: 9r + -9r = 0
-3 + -1r = 4 + 0
-3 + -1r = 4

Add '3' to each side of the equation.
-3 + 3 + -1r = 4 + 3

Combine like terms: -3 + 3 = 0
0 + -1r = 4 + 3
-1r = 4 + 3

Combine like terms: 4 + 3 = 7
-1r = 7

Divide each side by '-1'.
r = -7

Simplifying
r = -7

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