solve each system using substitution. 5. y=2x+5 y=6x+1 6. x=y+7 y-8=2x 7. 4x+y=2 3y+2x=-1 8. 4x+9y=24 y=-1/3x + 2

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step-by-step explanation:

if y=4x then you will substitute 4x in for y in the second equation.

8x + 4x = 18 combine like terms

12x = 18 divide by 12 on both sides

x = 18/12 or 3/2

now replace x in the first equation with 3/2 to get

y = 4 3/2

y = 6

the answer is a

(3/2,6)

hope that .

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