7=8r+7r

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Solution for 7=8r+7r equation:


Simplifying
7 = 8r + 7r

Combine like terms: 8r + 7r = 15r
7 = 15r

Solving
7 = 15r

Solving for variable 'r'.

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

Add '-15r' to each side of the equation.
7 + -15r = 15r + -15r

Combine like terms: 15r + -15r = 0
7 + -15r = 0

Add '-7' to each side of the equation.
7 + -7 + -15r = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -15r = 0 + -7
-15r = 0 + -7

Combine like terms: 0 + -7 = -7
-15r = -7

Divide each side by '-15'.
r = 0.4666666667

Simplifying
r = 0.4666666667

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