(-3r+8)+(5r-1)=0

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Solution for (-3r+8)+(5r-1)=0 equation:


Simplifying
(-3r + 8) + (5r + -1) = 0

Reorder the terms:
(8 + -3r) + (5r + -1) = 0

Remove parenthesis around (8 + -3r)
8 + -3r + (5r + -1) = 0

Reorder the terms:
8 + -3r + (-1 + 5r) = 0

Remove parenthesis around (-1 + 5r)
8 + -3r + -1 + 5r = 0

Reorder the terms:
8 + -1 + -3r + 5r = 0

Combine like terms: 8 + -1 = 7
7 + -3r + 5r = 0

Combine like terms: -3r + 5r = 2r
7 + 2r = 0

Solving
7 + 2r = 0

Solving for variable 'r'.

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

Add '-7' to each side of the equation.
7 + -7 + 2r = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 2r = 0 + -7
2r = 0 + -7

Combine like terms: 0 + -7 = -7
2r = -7

Divide each side by '2'.
r = -3.5

Simplifying
r = -3.5

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