Answer:
Do the opposite operation
Step-by-step explanation:
If there is a coefficient like 3x, you have to divide the 3 on both sides. This is because 3x is equivalent to 3*x. The opposite of multiplication is division.
Answer:
(
+4)-3
Step-by-step explanation:
since it says "and four" i think it means it is in parenthesis
Answer:
Step-by-step explanation:
This triangle is a 45-45-90 triangle.
By using the image I posted, we can find x easily.
So, we have 
as one of the sides.
They hypotenuse, which is x is just 
Simplify and we get x = 
Answer: 313% 79% 3%
Step-by-step explanation:
Hello! Combining like terms is just a fancy way of saying add all these numbers together. As long as numbers have the same variable (in this case x) and the same exponent (they don't have any in this case), you can add them together like normal. So! 3x + 5x +4x is the same as 3+5+4. Your simplified polynomial is 12x. Good luck with the math homework!
