3r+3(r+30)=330

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Solution for 3r+3(r+30)=330 equation:


Simplifying
3r + 3(r + 30) = 330

Reorder the terms:
3r + 3(30 + r) = 330
3r + (30 * 3 + r * 3) = 330
3r + (90 + 3r) = 330

Reorder the terms:
90 + 3r + 3r = 330

Combine like terms: 3r + 3r = 6r
90 + 6r = 330

Solving
90 + 6r = 330

Solving for variable 'r'.

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

Add '-90' to each side of the equation.
90 + -90 + 6r = 330 + -90

Combine like terms: 90 + -90 = 0
0 + 6r = 330 + -90
6r = 330 + -90

Combine like terms: 330 + -90 = 240
6r = 240

Divide each side by '6'.
r = 40

Simplifying
r = 40

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