5r+3-1r=8+2r-1

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Solution for 5r+3-1r=8+2r-1 equation:


Simplifying
5r + 3 + -1r = 8 + 2r + -1

Reorder the terms:
3 + 5r + -1r = 8 + 2r + -1

Combine like terms: 5r + -1r = 4r
3 + 4r = 8 + 2r + -1

Reorder the terms:
3 + 4r = 8 + -1 + 2r

Combine like terms: 8 + -1 = 7
3 + 4r = 7 + 2r

Solving
3 + 4r = 7 + 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.
3 + 4r + -2r = 7 + 2r + -2r

Combine like terms: 4r + -2r = 2r
3 + 2r = 7 + 2r + -2r

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

Add '-3' to each side of the equation.
3 + -3 + 2r = 7 + -3

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

Combine like terms: 7 + -3 = 4
2r = 4

Divide each side by '2'.
r = 2

Simplifying
r = 2

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