Question

5x_8=_23 what is x value​

Answer 1

Answer:

Given: 5x+8=23

Find: x=?

Solution:

First, add -8 to BOTH SIDES of the equality sign:

5x+8–8=23–8

5x+0=15

5x=15

Next, divide BOTH SIDES of the equality sign by 5:

5x/5=15/5

But 5 divided by 5 equals 1 on the left side of the equals sign, and 15 divided by 5 equals 3, on the right side of the equals sign:

1x=3

But 1 times any number x, equals x;therefore:

x=3

Don’t forget to CHECK YOUR ANSWER by substituting the number 3 for x in the original equation:

(5 x 3) + 8 =23

Note: the “x” in the equation immediately above is the multiplication symbol, not the variable x.

15 + 8 =23.

Therefore, the value for x, 3, checks out, and the answer is x=3.

Answer 2

Answer:

5x-8 = -23

5x = -23+8

5x = -15

x = -15/5

x = -3

Hope it helps you...