Answer:5y-2z
Step-by-step explanation:
Nothing further can be done with this equation, it is in its simplest form.
Take the square root of both sides
remember to take the positive and negative root
2x+5=-7 or
2x+5=7
solve each
2x+5=-7
subtract 5
2x=-12
divide 2
x=-6
2x+5=7
subtract 5
2x=2
divid 2
x=1
x=-6 or 1
He must sell more than $1058. First find the difference and multiply that by 20 (100/5) to find the necessary amount.