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NO-NONSENSE ANSWERS.This question is Hard for me- So please help TwT
1.What is the value of x+5 if x=10?
2.What is the value of 5-x if x=1
3.Find the value of 4x2 + 3 if x=3
4.Find the value of x3 - 3x - 4 if x= -2
5.Evaluate 3x+2/5y-3 if x = 1,y = -1

Please Don't waste my points WITH SOLUTION
:DD


Sagot :

Answer:

1. x+5=15

SOLUTION:

SUBSTITUTE the value of x (which is 10) then add the two numbers (x+5) (10+5=15)

2. (4 is the answer)

if x=1 then it should be 5-1=4

3.sorry Dino alam

4.)-7 is answer

Solution:

3-3x-4x=2

SUBSTITUTE x=2 into expression

3-3×2-4

Multiply the numbers

3-6-4

Calculate the difference

=-7 is the answer:-)

5.)-5/8 I think

solution :

3(1)+2

5(-1-3

3+2

-5-3

-5/8

5/8-

Step-by-step explanation:

thanks me later