1.9r+8=1.5r+20

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Solution for 1.9r+8=1.5r+20 equation:


Simplifying
1.9r + 8 = 1.5r + 20

Reorder the terms:
8 + 1.9r = 1.5r + 20

Reorder the terms:
8 + 1.9r = 20 + 1.5r

Solving
8 + 1.9r = 20 + 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.
8 + 1.9r + -1.5r = 20 + 1.5r + -1.5r

Combine like terms: 1.9r + -1.5r = 0.4r
8 + 0.4r = 20 + 1.5r + -1.5r

Combine like terms: 1.5r + -1.5r = 0.0
8 + 0.4r = 20 + 0.0
8 + 0.4r = 20

Add '-8' to each side of the equation.
8 + -8 + 0.4r = 20 + -8

Combine like terms: 8 + -8 = 0
0 + 0.4r = 20 + -8
0.4r = 20 + -8

Combine like terms: 20 + -8 = 12
0.4r = 12

Divide each side by '0.4'.
r = 30

Simplifying
r = 30

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