7p+9=8p+4

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Solution for 7p+9=8p+4 equation:


Simplifying
7p + 9 = 8p + 4

Reorder the terms:
9 + 7p = 8p + 4

Reorder the terms:
9 + 7p = 4 + 8p

Solving
9 + 7p = 4 + 8p

Solving for variable 'p'.

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

Add '-8p' to each side of the equation.
9 + 7p + -8p = 4 + 8p + -8p

Combine like terms: 7p + -8p = -1p
9 + -1p = 4 + 8p + -8p

Combine like terms: 8p + -8p = 0
9 + -1p = 4 + 0
9 + -1p = 4

Add '-9' to each side of the equation.
9 + -9 + -1p = 4 + -9

Combine like terms: 9 + -9 = 0
0 + -1p = 4 + -9
-1p = 4 + -9

Combine like terms: 4 + -9 = -5
-1p = -5

Divide each side by '-1'.
p = 5

Simplifying
p = 5

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