-2=1-7r+4

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Solution for -2=1-7r+4 equation:


Simplifying
-2 = 1 + -7r + 4

Reorder the terms:
-2 = 1 + 4 + -7r

Combine like terms: 1 + 4 = 5
-2 = 5 + -7r

Solving
-2 = 5 + -7r

Solving for variable 'r'.

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

Add '7r' to each side of the equation.
-2 + 7r = 5 + -7r + 7r

Combine like terms: -7r + 7r = 0
-2 + 7r = 5 + 0
-2 + 7r = 5

Add '2' to each side of the equation.
-2 + 2 + 7r = 5 + 2

Combine like terms: -2 + 2 = 0
0 + 7r = 5 + 2
7r = 5 + 2

Combine like terms: 5 + 2 = 7
7r = 7

Divide each side by '7'.
r = 1

Simplifying
r = 1

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