3r+5+7r+3=

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Solution for 3r+5+7r+3= equation:


Simplifying
3r + 5 + 7r + 3 = 0

Reorder the terms:
5 + 3 + 3r + 7r = 0

Combine like terms: 5 + 3 = 8
8 + 3r + 7r = 0

Combine like terms: 3r + 7r = 10r
8 + 10r = 0

Solving
8 + 10r = 0

Solving for variable 'r'.

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

Add '-8' to each side of the equation.
8 + -8 + 10r = 0 + -8

Combine like terms: 8 + -8 = 0
0 + 10r = 0 + -8
10r = 0 + -8

Combine like terms: 0 + -8 = -8
10r = -8

Divide each side by '10'.
r = -0.8

Simplifying
r = -0.8

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