moonlightparis9015
11.11.2020 •
Mathematics
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Ответ:
a. x= The number of months
b. 12x+15=171
c. Show steps: 12x+15=171
-15 -15
12x=171
/12 /12
x=13
Answer in context of the problem (complete sentences): Jeannie would have . to pay 13 payments in order
to pay off the eyeglasses.
d. Check your 12(13)+15=171
156+15=171
171=171
Step-by-step explanation:
Hopes this helps child! :)
Ответ:
Elimination
Step-by-step explanation:
A system of equations is 2 or more equations for which the same x,y solution exists. We can solve the system in three ways: elimination, substitution, or graphing. Elimination is the best method when we have standard form equations and x values with opposite coefficients. This is so because the x variable will eliminate easily and allow us to solve for y.