7r+3-7=-18

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Solution for 7r+3-7=-18 equation:


Simplifying
7r + 3 + -7 = -18

Reorder the terms:
3 + -7 + 7r = -18

Combine like terms: 3 + -7 = -4
-4 + 7r = -18

Solving
-4 + 7r = -18

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 + 7r = -18 + 4

Combine like terms: -4 + 4 = 0
0 + 7r = -18 + 4
7r = -18 + 4

Combine like terms: -18 + 4 = -14
7r = -14

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

Simplifying
r = -2

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