18-7r=3(r+6)

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Solution for 18-7r=3(r+6) equation:


Simplifying
18 + -7r = 3(r + 6)

Reorder the terms:
18 + -7r = 3(6 + r)
18 + -7r = (6 * 3 + r * 3)
18 + -7r = (18 + 3r)

Add '-18' to each side of the equation.
18 + -18 + -7r = 18 + -18 + 3r

Combine like terms: 18 + -18 = 0
0 + -7r = 18 + -18 + 3r
-7r = 18 + -18 + 3r

Combine like terms: 18 + -18 = 0
-7r = 0 + 3r
-7r = 3r

Solving
-7r = 3r

Solving for variable 'r'.

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

Add '-3r' to each side of the equation.
-7r + -3r = 3r + -3r

Combine like terms: -7r + -3r = -10r
-10r = 3r + -3r

Combine like terms: 3r + -3r = 0
-10r = 0

Divide each side by '-10'.
r = 0.0

Simplifying
r = 0.0

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