0.4p+8.1=4.3p-7.2-0.9p

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Solution for 0.4p+8.1=4.3p-7.2-0.9p equation: 


Simplifying
0.4p + 8.1 = 4.3p + -7.2 + -0.9p

Reorder the terms:
8.1 + 0.4p = 4.3p + -7.2 + -0.9p

Reorder the terms:
8.1 + 0.4p = -7.2 + 4.3p + -0.9p

Combine like terms: 4.3p + -0.9p = 3.4p
8.1 + 0.4p = -7.2 + 3.4p

Solving
8.1 + 0.4p = -7.2 + 3.4p

Solving for variable 'p'.

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

Add '-3.4p' to each side of the equation.
8.1 + 0.4p + -3.4p = -7.2 + 3.4p + -3.4p

Combine like terms: 0.4p + -3.4p = -3p
8.1 + -3p = -7.2 + 3.4p + -3.4p

Combine like terms: 3.4p + -3.4p = 0.0
8.1 + -3p = -7.2 + 0.0
8.1 + -3p = -7.2

Add '-8.1' to each side of the equation.
8.1 + -8.1 + -3p = -7.2 + -8.1

Combine like terms: 8.1 + -8.1 = 0.0
0.0 + -3p = -7.2 + -8.1
-3p = -7.2 + -8.1

Combine like terms: -7.2 + -8.1 = -15.3
-3p = -15.3

Divide each side by '-3'.
p = 5.1

Simplifying
p = 5.1

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