Question

EXERCISE 5.3
1 Solve the following systems of simultaneous linear equations by cross-multip)
method:
(i) 3x + 2y = 4
(ii) 3x - 7y + 10 = 0
8x + 5y = 9
y - 2x = 3.
2 Solve the following pairs of linear equations by cross-multiplication method:
= a + b
(ii) 2bx + ay = 2ab
ax + by = a2 - 62
bx – ay = 4ab.
(i) x - y =
5.5 EQUATIONS REDUCIBLE TO PAIR OF LINEAR EQUATION
In this section, we shall find solutions of such pairs of equations in two variables wl
not linear but can be reduced to linear equations in two variables by making some
substitutions. We shall explain the process with the help of some examples.
Illustrative
Examples
Example 1 Solve the following pairs of equations by reducing them to pairs
equations:(1) x - y =a+b. ax +by =
${a}^{2} - {b}^{2}$
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Answer 1

Answer:

Step-by-step explanation:

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