3r+4-7=1

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Solution for 3r+4-7=1 equation: 


Simplifying
3r + 4 + -7 = 1

Reorder the terms:
4 + -7 + 3r = 1

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

Solving
-3 + 3r = 1

Solving for variable 'r'.

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

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

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

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

Divide each side by '3'.
r = 1.333333333

Simplifying
r = 1.333333333

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