Question

from class 9 linear equation in two variables

Draw the graph of y = 2x + 3 and determine the
following graphically.
(1) Value of y, when x = -3
(ii) Value of x, when y = 7
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Answer 1

Answer:

1. y = 2 × (-3)+3

y = -6+3

y = -2

2. y = 2x+3

-2= 2x+3

-2-3 = 2x

-5 = 2x

-5/2 = 2x

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