Solve each system of linear equations by substitution. 2x+6y=16
3x-5y=-18
Please explain.

How many sides does a regular polygon have if each exterior angle measures 72a.3b.4c.5d.6

Afruit stand has to decide what to charge for their produce. they need $10 for 4 apples and 4 oranges. they also need $15 for 6 apples and 6 oranges. we put this information into a system of linear equations. can we find a unique price for an apple and an orange?

Write two subtraction equations that are equivalent to 5 + 12 = 17.