Mathematics
Easy

Question

# Find the value of 5x + x if x = - 2

## - 10    - 12    10    12 Hint:

## The correct answer is: - 12

### The given expression is 5x+x.There is only one variable in the above expression. The value assigned to the variable is -2.We have to substitute this value, x = -2, and find the final value of the expression.There are two terms in the above expression. And they are connected using an addition sign. So we have to first substitute the value and perform the required operations.To substitute the value, we have to replace x by -2. After substituting the value, we will get the following equation:                                  5x+x = 5(-2)+(-2)Now we have to first multiply 5 by -2. On multiplication, we get                                  5x+x = -10-25x+x = -12Therefore, the value of equation is -12So option (b), which is ‘-12’ is the right option.

We have tk

We have to be careful about the operations between the variables. The variables take different values according to the different conditions.

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