7r-18+19+40=

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Solution for 7r-18+19+40= equation:


Simplifying
7r + -18 + 19 + 40 = 0

Reorder the terms:
-18 + 19 + 40 + 7r = 0

Combine like terms: -18 + 19 = 1
1 + 40 + 7r = 0

Combine like terms: 1 + 40 = 41
41 + 7r = 0

Solving
41 + 7r = 0

Solving for variable 'r'.

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

Add '-41' to each side of the equation.
41 + -41 + 7r = 0 + -41

Combine like terms: 41 + -41 = 0
0 + 7r = 0 + -41
7r = 0 + -41

Combine like terms: 0 + -41 = -41
7r = -41

Divide each side by '7'.
r = -5.857142857

Simplifying
r = -5.857142857

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