Question

Question 5:  

If x + 7 = 10, then the value of 5x - 10 is

Answer 1

Answer:

1

Step-by-step explanation:

If x+7=10,then the value of 5x-10 is. 1.

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Answer 2

Question:-

if x+7=10

then find the value of

5x-10

Solution:-

first we've to find x

that is

x+7=10

x=10-7

x=3

Let's check whether it's correct or not

x=3

3+7=10

10=10

L.H.S=R.H.S

hence verified

now we've to find 5x-10

that is

5×3-10

15-10

=5

therefore the answer of 5x-10 is 5