4r+(r-2)=

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Solution for 4r+(r-2)= equation:


Simplifying
4r + (r + -2) = 0

Reorder the terms:
4r + (-2 + r) = 0

Remove parenthesis around (-2 + r)
4r + -2 + r = 0

Reorder the terms:
-2 + 4r + r = 0

Combine like terms: 4r + r = 5r
-2 + 5r = 0

Solving
-2 + 5r = 0

Solving for variable 'r'.

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

Add '2' to each side of the equation.
-2 + 2 + 5r = 0 + 2

Combine like terms: -2 + 2 = 0
0 + 5r = 0 + 2
5r = 0 + 2

Combine like terms: 0 + 2 = 2
5r = 2

Divide each side by '5'.
r = 0.4

Simplifying
r = 0.4

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