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Which is the English sentence of 2p+15=21 ?​

Sagot :

Answer:

Simplifying

2p + 15 = 21

Reorder the terms:

15 + 2p = 21

Solving

15 + 2p = 21

Solving for variable 'p'.

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

Add '-15' to each side of the equation.

15 + -15 + 2p = 21 + -15

Combine like terms: 15 + -15 = 0

0 + 2p = 21 + -15

2p = 21 + -15

Combine like terms: 21 + -15 = 6

2p = 6

Divide each side by '2'.

p = 3

Simplifying

p = 3

Step-by-step explanation:

Simplifying

2p + 15 = 21

Reorder the terms:

15 + 2p = 21

Solving

15 + 2p = 21

Solving for variable 'p'.

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

Add '-15' to each side of the equation.

15 + -15 + 2p = 21 + -15

Combine like terms: 15 + -15 = 0

0 + 2p = 21 + -15

2p = 21 + -15

Combine like terms: 21 + -15 = 6

2p = 6

Divide each side by '2'.

p = 3

Simplifying

p = 3