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mario62 [17]
3 years ago
12

B = 3m + 2p Work out the value of p when B= 2 and m = 5

Mathematics
2 answers:
Kruka [31]3 years ago
7 0

Answer:

-13/2 = p

Step-by-step explanation:

B = 3m + 2p

Let B =2 and m=5

2 = 3(5)+2p

2 = 15+2p

2-15 = 2p

-13 = 2p

Divide by 2

-13/2 = p

GarryVolchara [31]3 years ago
6 0

This is called a "substitution problem" is where you have variable that have defined values and plug them in value calculate the expression.

B = 3m + 2p # Starting equation

2 = (3)(5) + 2p # Substitution

2 = 15 + 2p # Multiplication

-13 = 2p # Subtract 15 from both sides

\frac{-13}{2} = p # Divide both sides from 2

p = \frac{-13}{2} # Use the reflexive property of equality

Hope this helps!

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