1.6r+7=1.2r+19

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Solution for 1.6r+7=1.2r+19 equation:


Simplifying
1.6r + 7 = 1.2r + 19

Reorder the terms:
7 + 1.6r = 1.2r + 19

Reorder the terms:
7 + 1.6r = 19 + 1.2r

Solving
7 + 1.6r = 19 + 1.2r

Solving for variable 'r'.

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

Add '-1.2r' to each side of the equation.
7 + 1.6r + -1.2r = 19 + 1.2r + -1.2r

Combine like terms: 1.6r + -1.2r = 0.4r
7 + 0.4r = 19 + 1.2r + -1.2r

Combine like terms: 1.2r + -1.2r = 0.0
7 + 0.4r = 19 + 0.0
7 + 0.4r = 19

Add '-7' to each side of the equation.
7 + -7 + 0.4r = 19 + -7

Combine like terms: 7 + -7 = 0
0 + 0.4r = 19 + -7
0.4r = 19 + -7

Combine like terms: 19 + -7 = 12
0.4r = 12

Divide each side by '0.4'.
r = 30

Simplifying
r = 30

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