Answer:
Step-by-step explanation:
See attached file for complete work.
2(x + 5) = 40 ....................
1000x2 = 2000
1000/2 = 500
2000 initial investment
2500 total after all is said and done
equals a $500 total return on the two investments
Answer:
2x-1=31
5(21-1) + y = 32
She notices that each equation contains the expression 2.x-1. Can she
substitute 3y for 2x-1? Why or why not?
b
Substitute 3y for 2x-1 in the second equation to create one equation with
one variable. Then solve for x and y
Step-by-step explanation:
2x-1=31
5(21-1) + y = 32
She notices that each equation contains the expression 2.x-1. Can she
substitute 3y for 2x-1? Why or why not?
b
Substitute 3y for 2x-1 in the second equation to create one equation with
one variable. Then solve for x and y
