3(p+7)=21p

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Solution for 3(p+7)=21p equation:


Simplifying
3(p + 7) = 21p

Reorder the terms:
3(7 + p) = 21p
(7 * 3 + p * 3) = 21p
(21 + 3p) = 21p

Solving
21 + 3p = 21p

Solving for variable 'p'.

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

Add '-21p' to each side of the equation.
21 + 3p + -21p = 21p + -21p

Combine like terms: 3p + -21p = -18p
21 + -18p = 21p + -21p

Combine like terms: 21p + -21p = 0
21 + -18p = 0

Add '-21' to each side of the equation.
21 + -21 + -18p = 0 + -21

Combine like terms: 21 + -21 = 0
0 + -18p = 0 + -21
-18p = 0 + -21

Combine like terms: 0 + -21 = -21
-18p = -21

Divide each side by '-18'.
p = 1.166666667

Simplifying
p = 1.166666667

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