90=6(3r+3)

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Solution for 90=6(3r+3) equation:


Simplifying
90 = 6(3r + 3)

Reorder the terms:
90 = 6(3 + 3r)
90 = (3 * 6 + 3r * 6)
90 = (18 + 18r)

Solving
90 = 18 + 18r

Solving for variable 'r'.

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

Add '-18r' to each side of the equation.
90 + -18r = 18 + 18r + -18r

Combine like terms: 18r + -18r = 0
90 + -18r = 18 + 0
90 + -18r = 18

Add '-90' to each side of the equation.
90 + -90 + -18r = 18 + -90

Combine like terms: 90 + -90 = 0
0 + -18r = 18 + -90
-18r = 18 + -90

Combine like terms: 18 + -90 = -72
-18r = -72

Divide each side by '-18'.
r = 4

Simplifying
r = 4

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