-90=-20+7p

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Solution for -90=-20+7p equation:


Simplifying
-90 = -20 + 7p

Solving
-90 = -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.
-90 + -7p = -20 + 7p + -7p

Combine like terms: 7p + -7p = 0
-90 + -7p = -20 + 0
-90 + -7p = -20

Add '90' to each side of the equation.
-90 + 90 + -7p = -20 + 90

Combine like terms: -90 + 90 = 0
0 + -7p = -20 + 90
-7p = -20 + 90

Combine like terms: -20 + 90 = 70
-7p = 70

Divide each side by '-7'.
p = -10

Simplifying
p = -10

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