1=3+3r+4

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


Simplifying
1 = 3 + 3r + 4

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

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

Solving
1 = 7 + 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 + -3r = 7 + 3r + -3r

Combine like terms: 3r + -3r = 0
1 + -3r = 7 + 0
1 + -3r = 7

Add '-1' to each side of the equation.
1 + -1 + -3r = 7 + -1

Combine like terms: 1 + -1 = 0
0 + -3r = 7 + -1
-3r = 7 + -1

Combine like terms: 7 + -1 = 6
-3r = 6

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

Simplifying
r = -2

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