7r+1-2r=3r-5

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Solution for 7r+1-2r=3r-5 equation:


Simplifying
7r + 1 + -2r = 3r + -5

Reorder the terms:
1 + 7r + -2r = 3r + -5

Combine like terms: 7r + -2r = 5r
1 + 5r = 3r + -5

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

Solving
1 + 5r = -5 + 3r

Solving for variable 'r'.

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

Add '-3r' to each side of the equation.
1 + 5r + -3r = -5 + 3r + -3r

Combine like terms: 5r + -3r = 2r
1 + 2r = -5 + 3r + -3r

Combine like terms: 3r + -3r = 0
1 + 2r = -5 + 0
1 + 2r = -5

Add '-1' to each side of the equation.
1 + -1 + 2r = -5 + -1

Combine like terms: 1 + -1 = 0
0 + 2r = -5 + -1
2r = -5 + -1

Combine like terms: -5 + -1 = -6
2r = -6

Divide each side by '2'.
r = -3

Simplifying
r = -3

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