1.9r+9=1.7r+15

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Solution for 1.9r+9=1.7r+15 equation:


Simplifying
1.9r + 9 = 1.7r + 15

Reorder the terms:
9 + 1.9r = 1.7r + 15

Reorder the terms:
9 + 1.9r = 15 + 1.7r

Solving
9 + 1.9r = 15 + 1.7r

Solving for variable 'r'.

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

Add '-1.7r' to each side of the equation.
9 + 1.9r + -1.7r = 15 + 1.7r + -1.7r

Combine like terms: 1.9r + -1.7r = 0.2r
9 + 0.2r = 15 + 1.7r + -1.7r

Combine like terms: 1.7r + -1.7r = 0.0
9 + 0.2r = 15 + 0.0
9 + 0.2r = 15

Add '-9' to each side of the equation.
9 + -9 + 0.2r = 15 + -9

Combine like terms: 9 + -9 = 0
0 + 0.2r = 15 + -9
0.2r = 15 + -9

Combine like terms: 15 + -9 = 6
0.2r = 6

Divide each side by '0.2'.
r = 30

Simplifying
r = 30

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