Q. 1 C3.7( 3 Votes )

# Solve the following pair of linear equation in two variables (by graph)2x + 3y = 5, x + y = 2

Generally, we substitute x = 0 or y = 0 in the given linear equations to get y and x. So we get two points on the straight line. To find more points on line, take different values of x related to it, we get different values for y from the equation.

We get the following tables for the given linear equations.

for

2x + 3y = 5 for

x + y = 2 Plot it Plotting these points on a graph and joining them, we get two straight lines.

From the graph, we can see that both lines intersect at (1, 1), hence solution to this pair is (1, 1).

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