4(7+2r)=

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Solution for 4(7+2r)= equation: 


Simplifying
4(7 + 2r) = 0
(7 * 4 + 2r * 4) = 0
(28 + 8r) = 0

Solving
28 + 8r = 0

Solving for variable 'r'.

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

Add '-28' to each side of the equation.
28 + -28 + 8r = 0 + -28

Combine like terms: 28 + -28 = 0
0 + 8r = 0 + -28
8r = 0 + -28

Combine like terms: 0 + -28 = -28
8r = -28

Divide each side by '8'.
r = -3.5

Simplifying
r = -3.5

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