2r+1=r-4

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Solution for 2r+1=r-4 equation:


Simplifying
2r + 1 = r + -4

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

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

Solving
1 + 2r = -4 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
1 + 2r + -1r = -4 + r + -1r

Combine like terms: 2r + -1r = 1r
1 + 1r = -4 + r + -1r

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

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

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

Combine like terms: -4 + -1 = -5
1r = -5

Divide each side by '1'.
r = -5

Simplifying
r = -5

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