-20=1-7p

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Solution for -20=1-7p equation:


Simplifying
-20 = 1 + -7p

Solving
-20 = 1 + -7p

Solving for variable 'p'.

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

Add '7p' to each side of the equation.
-20 + 7p = 1 + -7p + 7p

Combine like terms: -7p + 7p = 0
-20 + 7p = 1 + 0
-20 + 7p = 1

Add '20' to each side of the equation.
-20 + 20 + 7p = 1 + 20

Combine like terms: -20 + 20 = 0
0 + 7p = 1 + 20
7p = 1 + 20

Combine like terms: 1 + 20 = 21
7p = 21

Divide each side by '7'.
p = 3

Simplifying
p = 3

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