Answer:
x = 45.6
Explanation:
-10(x + 21) = -15x + 18
-10x - 210 = -15x + 18
-210 = -5x + 18
-228 = -5x
x = 45.6
(I’m not sure if this is what you’re looking for, but I hope it helped a bit)
X/-3 = 12 + x
x = -36 - 3x
4x = 36
x= = 9
The number is 9.
Answer:

Step-by-step explanation:
To find the circumference of a circle, you can multiply the value of the diameter of the circle with the value of pi.


Answer:
The answer is 146
Step-by-step explanation:
Answer:
{-1.7, 3.5}
Step-by-step explanation:
I find it convenient to graph the difference of the two sides of the equation. That difference is zero when the equation is satisfied. This equation has two solutions, near x = -1.7 and x = 3.5.