substitution?
Mathematics, 13.03.2021 03:10, justyne2004
1 point
When solving the system of equations below, what is the appropriate
substitution?
7x + 10y = -1
x = 5y - 8
O 7x + 10(5y - 8) = -1
7x + 10y = 5y - 8
O 7(5y - 8) + 10y = -1
O -1 = 5y- 8
Answers: 2
Mathematics, 21.06.2019 16:20, HAMILTRASHANDIKNOWIT
Giuseppi's pizza had orders for $931.00 of pizzas. the prices were $21 for a large pizza, 514 for a medium pizza, and $7 for a small pizza. the number of large pizzas was two less than four times the number of medium pizzas. thenumber of small pizzas was three more than three times the number of medium pizzas. how many of each size of pizza were ordered?
Answers: 1
Mathematics, 22.06.2019 01:30, sammuelanderson1371
If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2
Answers: 1
1 point
When solving the system of equations below, what is the appropriate
substitution?
substitution?
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