-5(p-7)+3p=21

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Solution for -5(p-7)+3p=21 equation:


Simplifying
-5(p + -7) + 3p = 21

Reorder the terms:
-5(-7 + p) + 3p = 21
(-7 * -5 + p * -5) + 3p = 21
(35 + -5p) + 3p = 21

Combine like terms: -5p + 3p = -2p
35 + -2p = 21

Solving
35 + -2p = 21

Solving for variable 'p'.

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

Add '-35' to each side of the equation.
35 + -35 + -2p = 21 + -35

Combine like terms: 35 + -35 = 0
0 + -2p = 21 + -35
-2p = 21 + -35

Combine like terms: 21 + -35 = -14
-2p = -14

Divide each side by '-2'.
p = 7

Simplifying
p = 7

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