Question

Solve by using multiplication with the addition-or-subtraction method.

10p + 4q = 2
10p - 8q = 26

Answer 1

Answer: p=1, q=-2

Explanation:

Subtract the two equations-

10p+4q=2

10p-8q=26

12q=-24

q=-2

10p-8=2

10p=10

p=1