7(2r-4)+r=

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


Simplifying
7(2r + -4) + r = 0

Reorder the terms:
7(-4 + 2r) + r = 0
(-4 * 7 + 2r * 7) + r = 0
(-28 + 14r) + r = 0

Combine like terms: 14r + r = 15r
-28 + 15r = 0

Solving
-28 + 15r = 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 + 15r = 0 + 28

Combine like terms: -28 + 28 = 0
0 + 15r = 0 + 28
15r = 0 + 28

Combine like terms: 0 + 28 = 28
15r = 28

Divide each side by '15'.
r = 1.866666667

Simplifying
r = 1.866666667

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