10r-15=5r+5

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Solution for 10r-15=5r+5 equation:


Simplifying
10r + -15 = 5r + 5

Reorder the terms:
-15 + 10r = 5r + 5

Reorder the terms:
-15 + 10r = 5 + 5r

Solving
-15 + 10r = 5 + 5r

Solving for variable 'r'.

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

Add '-5r' to each side of the equation.
-15 + 10r + -5r = 5 + 5r + -5r

Combine like terms: 10r + -5r = 5r
-15 + 5r = 5 + 5r + -5r

Combine like terms: 5r + -5r = 0
-15 + 5r = 5 + 0
-15 + 5r = 5

Add '15' to each side of the equation.
-15 + 15 + 5r = 5 + 15

Combine like terms: -15 + 15 = 0
0 + 5r = 5 + 15
5r = 5 + 15

Combine like terms: 5 + 15 = 20
5r = 20

Divide each side by '5'.
r = 4

Simplifying
r = 4

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