2r-4-5r=-10

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Solution for 2r-4-5r=-10 equation: 


Simplifying
2r + -4 + -5r = -10

Reorder the terms:
-4 + 2r + -5r = -10

Combine like terms: 2r + -5r = -3r
-4 + -3r = -10

Solving
-4 + -3r = -10

Solving for variable 'r'.

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

Add '4' to each side of the equation.
-4 + 4 + -3r = -10 + 4

Combine like terms: -4 + 4 = 0
0 + -3r = -10 + 4
-3r = -10 + 4

Combine like terms: -10 + 4 = -6
-3r = -6

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

Simplifying
r = 2

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