-15r=9r+1-7r

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Solution for -15r=9r+1-7r equation:


Simplifying
-15r = 9r + 1 + -7r

Reorder the terms:
-15r = 1 + 9r + -7r

Combine like terms: 9r + -7r = 2r
-15r = 1 + 2r

Solving
-15r = 1 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
-15r + -2r = 1 + 2r + -2r

Combine like terms: -15r + -2r = -17r
-17r = 1 + 2r + -2r

Combine like terms: 2r + -2r = 0
-17r = 1 + 0
-17r = 1

Divide each side by '-17'.
r = -0.05882352941

Simplifying
r = -0.05882352941

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