A football team lost 5 yards on one play and gained 12 yards on the next play. Write a sum of integers to find the overall change in field position. Explain your answer. PLZ HELP I NEED IT

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis:

step-by-step explanation:

for exempl this   system of equations   y = x - 3

                                                                y = 2x - 5

look   the line : y = x -3     ( red)

                            the line : y = 2x -5 ( bleus)

it has to have an angle of 90 degrees