Answer:
x=8
Step-by-step explanation:
Those angles are supplementary so:
140+5x=180
5x=40
x=8
Answer: 360 cubic cm
Step-by-step explanation: you just multiply all the numbers.
6+5=11 5+6=11 11-5=6 11-6=5
Hello there!

Explanation:
↓↓↓↓↓↓↓↓↓↓↓↓
First you had to subtract by 7 from both sides of the equation.

Simplify

Then you add by x from both sides of the equation.

Simplify

Divide by 4 from both sides of the equation.

Simplify it should be the correct answer.

Answer⇒⇒⇒x=-2
Hope this helps!
Thank you for posting your question at here on Brainly.
Have a great day!
-Charlie