1-7r+4=19

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Solution for 1-7r+4=19 equation: 


Simplifying
1 + -7r + 4 = 19

Reorder the terms:
1 + 4 + -7r = 19

Combine like terms: 1 + 4 = 5
5 + -7r = 19

Solving
5 + -7r = 19

Solving for variable 'r'.

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

Add '-5' to each side of the equation.
5 + -5 + -7r = 19 + -5

Combine like terms: 5 + -5 = 0
0 + -7r = 19 + -5
-7r = 19 + -5

Combine like terms: 19 + -5 = 14
-7r = 14

Divide each side by '-7'.
r = -2

Simplifying
r = -2

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