640-20p=-160+30p

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Solution for 640-20p=-160+30p equation:


Simplifying
640 + -20p = -160 + 30p

Solving
640 + -20p = -160 + 30p

Solving for variable 'p'.

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

Add '-30p' to each side of the equation.
640 + -20p + -30p = -160 + 30p + -30p

Combine like terms: -20p + -30p = -50p
640 + -50p = -160 + 30p + -30p

Combine like terms: 30p + -30p = 0
640 + -50p = -160 + 0
640 + -50p = -160

Add '-640' to each side of the equation.
640 + -640 + -50p = -160 + -640

Combine like terms: 640 + -640 = 0
0 + -50p = -160 + -640
-50p = -160 + -640

Combine like terms: -160 + -640 = -800
-50p = -800

Divide each side by '-50'.
p = 16

Simplifying
p = 16

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