Distribute first
5x-30=2x+6
add 30 to both sides of the equation
5x=2x+36 (the -30 cancels out)
subtract 2x from both sides
3x=36
divide both sides by 3
x=12
Step-by-step explanation: The 9 in 857.9 differs from the value of 9 in 798.21 because in 857.9, the 9 is in the tenths place, while in 798.21, it is in the tens place.
Answer:
16:36 = 32:72 = 12:27
Step-by-step explanation:
An easy way for me to solve this is to divide the first value by the second. If they turn out to be the same fraction, then they are equivalent.
Is 16:36 = 32:72?
Yes, because 
Is 16:36 = 12:27?
Yes, because 
Is 16:36 = 3:4?
No because 
I hope this helps!!! Please rank if it does and let me know if you have any more questions about this!
Answer: Using y=mx+b
Step-by-step explanation:
In a triangle, the three angles ALWAYS add up to 180°
x + (6x + 10) + (x + 2) = 180
8x + 12 = 180
8x = 168
x = 21
To calculate the measure of each angle, substitute x in:
Angle A: 21
Angle B: 6(21)+10
Angle C: 21 + 2
Do the angles add up to 180 degrees? Just add the answer for A B and C and see if the sum is 180. It should be 180, if it isn't something is wrong with the calculation.
