You would want to multiply equation a by -5 so you can eliminate by addition
.........................................................
9514 1404 393
Answer:
420
Step-by-step explanation:
The prime factors of each denominator are ...
12 = 2²×3
14 = 2×7
5 = 5
10 = 2×5
The unique factors are 2²×3×5×7 = 420.
The least common denominator of these fractions is 420.
_____
<em>Additional comment</em>
- 5/12 = 175/420
- 9/14 = 270/420
- 2/5 = 168/420
- 1/10 = 42/420
X+4x = 180
5x = 180
x =180/5
x = 36
answer
D. 36
Answer:
B) 1/2
Step-by-step explanation:
