(A) Given the equation is $ax + 3y = 7$.Since the point $(-2, 5)$ lies on the graph,it must satisfy the equation.Substitute $x = -2$ and $y = 5$ into

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(A) Given the equation is $ax + 3y = 7$.Since the point $(-2, 5)$ lies on the graph,it must satisfy the equation.Substitute $x = -2$ and $y = 5$ into the equation:$a(-2) + 3(5) = 7$$-2a + 15 = 7$$-2a = 7 - 15$$-2a = -8$$a = \frac{-8}{-2}$$a = 4$

Class 9 Mathematics Linear Equations in Two Variables Mix Examples - Linear Equations in Two Variables

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If the point $(-2, 5)$ lies on the graph of the equation $ax + 3y = 7$,find the value of $a$.

A
$a = 4$
B
$a = 2$
C
$a = -4$
D
$a = -2$

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Linear Equations in Two Variables

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Mix Examples - Linear Equations in Two Variables

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If the point $(-2, 5)$ lies on the graph of the equation $ax + 3y = 7$,find the value of $a$.

Similar Questions

Draw the graphs of linear equations $y=x$ and $y=-x$ on the same Cartesian plane.What do you observe?

Write the following equation in the form of a linear equation in two variables: $4x - 17 = 0$.

If the point $(2, 3)$ lies on the graph of the equation $3x + ay = 18$,find the value of $a$.

Write the following as an equation in two variables:$5x = -10$

Write the following equation in the standard form $ax + by + c = 0$ and indicate the values of $a, b,$ and $c$ in each case: $2x = 3y$.

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Draw the graphs of linear equations $y=x$ and $y=-x$ on the same Cartesian plane.
What do you observe?

Write the following as an equation in two variables:
$5x = -10$