5r+38-3.8r=40

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Solution for 5r+38-3.8r=40 equation:


Simplifying
5r + 38 + -3.8r = 40

Reorder the terms:
38 + 5r + -3.8r = 40

Combine like terms: 5r + -3.8r = 1.2r
38 + 1.2r = 40

Solving
38 + 1.2r = 40

Solving for variable 'r'.

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

Add '-38' to each side of the equation.
38 + -38 + 1.2r = 40 + -38

Combine like terms: 38 + -38 = 0
0 + 1.2r = 40 + -38
1.2r = 40 + -38

Combine like terms: 40 + -38 = 2
1.2r = 2

Divide each side by '1.2'.
r = 1.666666667

Simplifying
r = 1.666666667

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