Answer: 5x^2
Step-by-step explanation:
You want to divide the 50 and 10 first, and subtract the exponents
Answer:


Step-by-step explanation:
Given


Required
Solve by elimination
To do this, we subtract both equations (to eliminate x)

- 
--------------------


Substitute
in 

Solve for 3x

Solve for x


.1104972376 just use a calculator
Answer:
3h + 3
Step-by-step explanation:
Distribute 3 to all terms within the parenthesis, and multiply:
3(1 + h) =
3(1) = 3
3(h) = 3h
3h + 3 is your answer.
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X+ (x+2)+ (x+4)= -21
3x+6=-21
3x=-27
x=-9
Final answer: -9, -7, -5