6p-21=-20+7p

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Solution for 6p-21=-20+7p equation:


Simplifying
6p + -21 = -20 + 7p

Reorder the terms:
-21 + 6p = -20 + 7p

Solving
-21 + 6p = -20 + 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.
-21 + 6p + -7p = -20 + 7p + -7p

Combine like terms: 6p + -7p = -1p
-21 + -1p = -20 + 7p + -7p

Combine like terms: 7p + -7p = 0
-21 + -1p = -20 + 0
-21 + -1p = -20

Add '21' to each side of the equation.
-21 + 21 + -1p = -20 + 21

Combine like terms: -21 + 21 = 0
0 + -1p = -20 + 21
-1p = -20 + 21

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

Divide each side by '-1'.
p = -1

Simplifying
p = -1

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