(?,3) is on the line y=2x+5 what is the other coordinate
2 answers:
<h3>
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➷ Substitute it into the equation:
3 = 2x + 5
Subtract 5 from both sides:
-2 = 2x
Divide both sides by 2:
x = -1
The other coordinate is -1
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✽</u></h3>
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Answer:
-1
Step-by-step explanation:
<u>1</u><u>.</u>We know that the equation of the line is <u>y=2x+5</u> ( with a gradient of 2 and a
y-intercept of 5) and the y coordinate is 3 so we must work out x (x,3).
<u>2.</u>We know<u> y=3</u> so
3 = 2x+5
<u>3.</u> <u>Solve the equation</u>
3=2x+5
(-5 from both sides)
-2=2x
(Divide both sides by 2 to isolate x)
-1 = x so x = 1
Hope this helps:)
5INGH
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