3.8*20+5=r-.63

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Solution for 3.8*20+5=r-.63 equation:


Simplifying
3.8 * 20 + 5 = r + -0.63

Multiply 3.8 * 20
76 + 5 = r + -0.63

Combine like terms: 76 + 5 = 81
81 = r + -0.63

Reorder the terms:
81 = -0.63 + r

Solving
81 = -0.63 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
81 + -1r = -0.63 + r + -1r

Combine like terms: r + -1r = 0
81 + -1r = -0.63 + 0
81 + -1r = -0.63

Add '-81' to each side of the equation.
81 + -81 + -1r = -0.63 + -81

Combine like terms: 81 + -81 = 0
0 + -1r = -0.63 + -81
-1r = -0.63 + -81

Combine like terms: -0.63 + -81 = -81.63
-1r = -81.63

Divide each side by '-1'.
r = 81.63

Simplifying
r = 81.63

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