Question

2x+4y-7=0 find the value of a if x=a and you=5/
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Answer 1

2x+4y=7

Step-by-step explanation:

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Answer 2

Answer:

a= -6.5

Step-by-step explanation:

2a+ 4y-7=0

y= 5

2a+ 4(5)-7= 0

2a+ 20- 7=0

(when you carry a number over a the equal sign its sign changes)

2a+ 20= 7

7-20= 2a

-13= 2a

-13/2=a

(negative divided by positive= negative)

-6.5= a

a= -6.5