84=7r+7r

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Solution for 84=7r+7r equation:


Simplifying
84 = 7r + 7r

Combine like terms: 7r + 7r = 14r
84 = 14r

Solving
84 = 14r

Solving for variable 'r'.

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

Add '-14r' to each side of the equation.
84 + -14r = 14r + -14r

Combine like terms: 14r + -14r = 0
84 + -14r = 0

Add '-84' to each side of the equation.
84 + -84 + -14r = 0 + -84

Combine like terms: 84 + -84 = 0
0 + -14r = 0 + -84
-14r = 0 + -84

Combine like terms: 0 + -84 = -84
-14r = -84

Divide each side by '-14'.
r = 6

Simplifying
r = 6

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