8r+3=18r-5

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Solution for 8r+3=18r-5 equation:


Simplifying
8r + 3 = 18r + -5

Reorder the terms:
3 + 8r = 18r + -5

Reorder the terms:
3 + 8r = -5 + 18r

Solving
3 + 8r = -5 + 18r

Solving for variable 'r'.

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

Add '-18r' to each side of the equation.
3 + 8r + -18r = -5 + 18r + -18r

Combine like terms: 8r + -18r = -10r
3 + -10r = -5 + 18r + -18r

Combine like terms: 18r + -18r = 0
3 + -10r = -5 + 0
3 + -10r = -5

Add '-3' to each side of the equation.
3 + -3 + -10r = -5 + -3

Combine like terms: 3 + -3 = 0
0 + -10r = -5 + -3
-10r = -5 + -3

Combine like terms: -5 + -3 = -8
-10r = -8

Divide each side by '-10'.
r = 0.8

Simplifying
r = 0.8

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