what is the answer to this simultaneous equation...2p+4q=28 5p+8q=58 p= q=

i need to know the answer to this question but not really sure how to solve it
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1 Answer

line 1...2x+4y=28  or 4x+8y=56, or x+2y=14

line 2...5x+8y=58

line2 - line1...(5x-4x) +(8y-8y)=58-56

x=2

from line1, 2y=14-x, so y=7-x/2=7-1

y=6
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