400-5p=100+2p

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Solution for 400-5p=100+2p equation:


Simplifying
400 + -5p = 100 + 2p

Solving
400 + -5p = 100 + 2p

Solving for variable 'p'.

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

Add '-2p' to each side of the equation.
400 + -5p + -2p = 100 + 2p + -2p

Combine like terms: -5p + -2p = -7p
400 + -7p = 100 + 2p + -2p

Combine like terms: 2p + -2p = 0
400 + -7p = 100 + 0
400 + -7p = 100

Add '-400' to each side of the equation.
400 + -400 + -7p = 100 + -400

Combine like terms: 400 + -400 = 0
0 + -7p = 100 + -400
-7p = 100 + -400

Combine like terms: 100 + -400 = -300
-7p = -300

Divide each side by '-7'.
p = 42.85714286

Simplifying
p = 42.85714286

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