2x - y = 7 ...... 1st eqn
5x - y = -2 ...... 2nd eqn
Solve 1 and 2
x= -3 and y= -13
Answer:
19
Step-by-step explanation:
Answer:
135g
Step-by-step explanation:

Given: density= 5g/cm³, volume= 27cm³
Mass
= 5 ×27
= 135g
Step-by-step explanation:
3/4÷5/16
3/4×16/5
=12/5(2 2/5)
Answer:
1.x=7, 2.x=7, 3.x=7, 4.x=1, 5.x=20, 6.x=9, 7.x=100, 8.x=9
Step-by-step explanation:
hope this helps :<)