7(r+9)=141

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Solution for 7(r+9)=141 equation:


Simplifying
7(r + 9) = 141

Reorder the terms:
7(9 + r) = 141
(9 * 7 + r * 7) = 141
(63 + 7r) = 141

Solving
63 + 7r = 141

Solving for variable 'r'.

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

Add '-63' to each side of the equation.
63 + -63 + 7r = 141 + -63

Combine like terms: 63 + -63 = 0
0 + 7r = 141 + -63
7r = 141 + -63

Combine like terms: 141 + -63 = 78
7r = 78

Divide each side by '7'.
r = 11.14285714

Simplifying
r = 11.14285714

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