3r-5=10-7r

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Solution for 3r-5=10-7r equation:


Simplifying
3r + -5 = 10 + -7r

Reorder the terms:
-5 + 3r = 10 + -7r

Solving
-5 + 3r = 10 + -7r

Solving for variable 'r'.

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

Add '7r' to each side of the equation.
-5 + 3r + 7r = 10 + -7r + 7r

Combine like terms: 3r + 7r = 10r
-5 + 10r = 10 + -7r + 7r

Combine like terms: -7r + 7r = 0
-5 + 10r = 10 + 0
-5 + 10r = 10

Add '5' to each side of the equation.
-5 + 5 + 10r = 10 + 5

Combine like terms: -5 + 5 = 0
0 + 10r = 10 + 5
10r = 10 + 5

Combine like terms: 10 + 5 = 15
10r = 15

Divide each side by '10'.
r = 1.5

Simplifying
r = 1.5

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