Question

Find the value of the following expression when x= –1
a) 3x-7
b) 2x +1
c)-2x +5
d)10x +8
e)-x+7
please answer fast and legit ​

Answer 1

Answer:

a)-10

b. -1

c.10

d.8

Step-by-step explanation:

substitute the values of x

Answer 2

Answer:

a) -10

b)-1

c)7

d)-2

e)6

Step-by-step explanation:

a) 3x - 7

=> 3(-1) - 7 = -3 - 7 = -10

b)2x + 1

=> 2(-1) + 1 = -2 + 1 = -1

c)-2x + 5

=> -2(-1) + 5 = 2 +5 = 7

d)10x +8

=> 10(-1) +8 = -10 + 8 = -2

e)-x + 7

=> -(-1) +7 = 1 + 7 = 8

Hope that helps you. ;)