Please solve quickly (substitution method) 4p +3q=143p-4q=23 the ans – InterviewSolution

1.	Please solve quickly (substitution method) 4p +3q=143p-4q=23 the answer is p=5 and q= -2but how please tell me by step by step????? please help..
Answer» 4p + 3q =14p=( 14-3q)/4. -EQ(1)3p - 4Q=23. - EQ(2)SUBSTITUTE (1) in (2)3[(14-3q)/4] -4q =23(42-9q-16q)/4=2342-25q=23(4)42-25q=92-25q=92-42-25q=50q=-(50/25)Q=-2substitute q in EQ(1)p=(14-3(-2))/4p=14+6/4p=20/4p=5plss mark as brainliest......

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