3r+7r-8=-4r+1

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Solution for 3r+7r-8=-4r+1 equation:


Simplifying
3r + 7r + -8 = -4r + 1

Reorder the terms:
-8 + 3r + 7r = -4r + 1

Combine like terms: 3r + 7r = 10r
-8 + 10r = -4r + 1

Reorder the terms:
-8 + 10r = 1 + -4r

Solving
-8 + 10r = 1 + -4r

Solving for variable 'r'.

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

Add '4r' to each side of the equation.
-8 + 10r + 4r = 1 + -4r + 4r

Combine like terms: 10r + 4r = 14r
-8 + 14r = 1 + -4r + 4r

Combine like terms: -4r + 4r = 0
-8 + 14r = 1 + 0
-8 + 14r = 1

Add '8' to each side of the equation.
-8 + 8 + 14r = 1 + 8

Combine like terms: -8 + 8 = 0
0 + 14r = 1 + 8
14r = 1 + 8

Combine like terms: 1 + 8 = 9
14r = 9

Divide each side by '14'.
r = 0.6428571429

Simplifying
r = 0.6428571429

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