2.8=4r

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Solution for 2.8=4r equation:


Simplifying
2.8 = 4r

Solving
2.8 = 4r

Solving for variable 'r'.

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

Add '-4r' to each side of the equation.
2.8 + -4r = 4r + -4r

Combine like terms: 4r + -4r = 0
2.8 + -4r = 0

Add '-2.8' to each side of the equation.
2.8 + -2.8 + -4r = 0 + -2.8

Combine like terms: 2.8 + -2.8 = 0.0
0.0 + -4r = 0 + -2.8
-4r = 0 + -2.8

Combine like terms: 0 + -2.8 = -2.8
-4r = -2.8

Divide each side by '-4'.
r = 0.7

Simplifying
r = 0.7

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