2r+6=5r-45

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Solution for 2r+6=5r-45 equation:


Simplifying
2r + 6 = 5r + -45

Reorder the terms:
6 + 2r = 5r + -45

Reorder the terms:
6 + 2r = -45 + 5r

Solving
6 + 2r = -45 + 5r

Solving for variable 'r'.

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

Add '-5r' to each side of the equation.
6 + 2r + -5r = -45 + 5r + -5r

Combine like terms: 2r + -5r = -3r
6 + -3r = -45 + 5r + -5r

Combine like terms: 5r + -5r = 0
6 + -3r = -45 + 0
6 + -3r = -45

Add '-6' to each side of the equation.
6 + -6 + -3r = -45 + -6

Combine like terms: 6 + -6 = 0
0 + -3r = -45 + -6
-3r = -45 + -6

Combine like terms: -45 + -6 = -51
-3r = -51

Divide each side by '-3'.
r = 17

Simplifying
r = 17

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