# ICSE Class 9 Maths Substitution Method

## Q.

Solve the following equations and find the values of x and y.

2x + 4y + 2 = 0 x + 3y + 1 = 0

## Q.

If ax + by + c = 0, and dx + ey + f = 0 has to be solved using the substitution method, then from ax + by + c = 0, x =

## Q.

An equation having no variable and infinite solutions is called a

## Q.

An equation having no variable and no solution is called a

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