1r+2+3=4

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Solution for 1r+2+3=4 equation: 


Simplifying
1r + 2 + 3 = 4

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

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

Solving
5 + 1r = 4

Solving for variable 'r'.

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

Add '-5' to each side of the equation.
5 + -5 + 1r = 4 + -5

Combine like terms: 5 + -5 = 0
0 + 1r = 4 + -5
1r = 4 + -5

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

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

Simplifying
r = -1

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