Solve each system using a matrix
7x+2y=5
13x+14y=-1Solve each system using a matrix
7x+2y=5
13x+14y=-1
Remember them is the best way to go.
draw the exact value triangles if you're unsure, but importantly, you just need to memorise these exact values.
Answer:
3
Step-by-step explanation:
Answer: 50 cubic in .
Step-by-step explanation: 10x2= 20 and then 20x2.5=50