Chris's bank allows him to have a negative balance in his checking account. Chris initially has $450 in his account. He then writes 3 checks each worth $200 as payments on his car. Write and evaluate an expression for the amount of money Chris has in his account after the three checks of $200 have been withdrawn from his account.

arrange the equations with like terms in columns.

analyze the coefficients of x or y.

add the equations and solve for the remaining variable.

substitute the value into either equation and solve.

check the solution.

step-by-step explanation:

i got 142 as my answer

step-by-step explanation:

y=-2.5x+12.5

step-by-step explanation:

5y=2x+10

y=0.4x+2

slope=-2.5

5=-2.5*3+b

b=12.5