Mathematics
Easy

Question

# 0.5x + 0.5x + 0.5

## x + 1.5    x + 0.5    0.5    x + 0.25 Hint:

## The correct answer is: x + 0.5

### The given expression is 0.5x + 0.5x + 0.5There is one variable and 3 constants in the above expression. The variable is: ‘x’. There are three terms in the above expression. We have to perform the operations between them and find the right answer.If we see, the first and second term contain the same variable. And the third term is a constant. Such terms with the same variables are called “like terms.” And the terms with different variables are called “unlike terms.”For like terms, we can perform the operations between their coefficients by keeping the variable constant. It means we can treat each term as a constant and perform operations like normal operations on constants.For the above expression, we can perform an operation between the first and second term as they have the same variable ‘x’. And the third term is constant.Let’s see the expression0.5x + 0.5x + 0.5 = (0.5x + 0.5x ) + 0.5For the bracket, we will keep x constant and add the two coefficients.0.5x + 0.5x + 0.5 = x + 0.5No further operation is possible as both are unlike terms.Therefore, the value of the equation is x + 0.5So option which is ’x + 0.5’, is the right option.

We have to be careful about different variables. Only like terms operate with each other.

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