Use the values X=-0, 5, 0, and 1 to prove your solution to the equation 5+x-12=2x-7 in your final answer, include all of your calculations.

In a box lenght 1m breadth 60 cm and height 40 cm small rectangular packets of dimension 5 cm into 8 cm into 10 cm are packed. how many such small packets can be packed in the big box?

Nine more than four times a number is the same as one less than twice the number. find the number?

22. catie is starting a babysitting business. she spent $26 to make signs to advertise. she charges an initial fee of $5 and then $3 for each hour of service. write and solve an inequality to find the number of hours she will have to babysit to make a profit. interpret the solution.!