2.1+p=3.9

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Solution for 2.1+p=3.9 equation: 


Simplifying
2.1 + p = 3.9

Solving
2.1 + p = 3.9

Solving for variable 'p'.

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

Add '-2.1' to each side of the equation.
2.1 + -2.1 + p = 3.9 + -2.1

Combine like terms: 2.1 + -2.1 = 0.0
0.0 + p = 3.9 + -2.1
p = 3.9 + -2.1

Combine like terms: 3.9 + -2.1 = 1.8
p = 1.8

Simplifying
p = 1.8

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