7r+8+10r-19r=

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Solution for 7r+8+10r-19r= equation:


Simplifying
7r + 8 + 10r + -19r = 0

Reorder the terms:
8 + 7r + 10r + -19r = 0

Combine like terms: 7r + 10r = 17r
8 + 17r + -19r = 0

Combine like terms: 17r + -19r = -2r
8 + -2r = 0

Solving
8 + -2r = 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 + -2r = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -2r = 0 + -8
-2r = 0 + -8

Combine like terms: 0 + -8 = -8
-2r = -8

Divide each side by '-2'.
r = 4

Simplifying
r = 4

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