1.8r+6=1.5r+15

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Solution for 1.8r+6=1.5r+15 equation:


Simplifying
1.8r + 6 = 1.5r + 15

Reorder the terms:
6 + 1.8r = 1.5r + 15

Reorder the terms:
6 + 1.8r = 15 + 1.5r

Solving
6 + 1.8r = 15 + 1.5r

Solving for variable 'r'.

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

Add '-1.5r' to each side of the equation.
6 + 1.8r + -1.5r = 15 + 1.5r + -1.5r

Combine like terms: 1.8r + -1.5r = 0.3r
6 + 0.3r = 15 + 1.5r + -1.5r

Combine like terms: 1.5r + -1.5r = 0.0
6 + 0.3r = 15 + 0.0
6 + 0.3r = 15

Add '-6' to each side of the equation.
6 + -6 + 0.3r = 15 + -6

Combine like terms: 6 + -6 = 0
0 + 0.3r = 15 + -6
0.3r = 15 + -6

Combine like terms: 15 + -6 = 9
0.3r = 9

Divide each side by '0.3'.
r = 30

Simplifying
r = 30

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