SOLUTION: Must solve using substitution
2x+y=4
y=4x+1
Algebra.Com
Question 37702: Must solve using substitution
2x+y=4
y=4x+1
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
IF Y=4X+1 THE SUBSTITUTING (4X+1) FOR Y IN EQUATION 1 WE GET
2X+(4X+1)=4 OR 2X+4X+1=4 OR 6X=3 OR X=3/6 OR X=1/2 THEN Y=4*1/2+1 OR
Y=2+1 OR Y=3
PROOF 3=4*1/2+1 OR 3=2+1 OR 3-3 & 2*1/2+3=4 OR 1+3=4 OR 4=4
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