Question

Mark only one oval.

1


2

3

4



Solution of the equation 3x-5=7​

Answer 1

Answer:

Consider the given equation.

2x−1=23

Here, only one variable is given and highest order of the variable is 1. Therefore, this is a linear equation in one variable.

Consider the given equation.

x+3y=5

Here, highest degree of the variables is 1, but there are two variables, x and y. Therefore, this is not a linear equation in one variable.

Consider the given equation.

a=0

Here, only one variable is given and highest order of the variable is 1. Therefore, this is a linear equation in one variable.

Answer 2

Answer:

x=4

Step-by-step explanation:

3x=7+5

3x=12

x=4.

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