Solve.

3d-e=7

d+e=5

Use the linear combination method.

A. There is no solution.

B. There are infinitely many solutions.

C. The solution is (2,-1)

D. The solution is (3,2)

At a movie theater a cashier sold 250 more adult admission tickets than children admission tickets. The adults were $6.00 each and the childrens tickets were $3.50 each.

Need steps to solve this problem 5e+8f + (-2) e-12f

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Out of the 125 children at summer camp 45 signed up for swimming and 38 signed up for arts and crafts twelve students who signed up

Solve the following equations: 2/3 (6x+9) = - 2 (1/2x+4) -3 (2y-1) = 4 (1/2y+3/4)

What are the solutions to the system of equations?

Name a real life a example of using negative numbers

Kim spent 70% of her salary on expenses and saved $1200 what is her salary

Trail mix is sold in 1-pound bags. mary will buy some trail mix and repacked it so that each of the 15 members of her hiking club gets one 2/5 pound bag. how many one pound trail mix should marry buy to have enough trail mix without leftovers?