Answer:
choice 1) 2x + 40 = 180
Step-by-step explanation:
(x + 10) + (x + 30) = 180
2x+ 40 = 180
Answer:
6 nickles
2 dimes 2 nickles
1 quarter 1 nickle 5 pennys
Answer:
x = 27
Step-by-step explanation:
I'm assuming the equation looks like this:

Here's how to solve for x:

(subtract 5 from both sides)

(Find the GCF of 3 and 9, which is 3. Multiply 2/3 by 3/3. You get 6/9)

(add like terms)

(multiply 9/5 to both sides, which is the same as dividing both sides by 5/9)
x = 27
Hope it helps (●'◡'●)