Answer:
Step-by-step explanation:
3x-7=23
<=> 3x = 23 + 7
<=> 3x = 30
<=> X = 30 ÷ 3
<=> X = 10
Answer:
3/2x-2>5 1/2
Step-by-step explanation:
Two less than a number means we are subtracting 2, so we can write it into the equation as -2.
Since we dont know the value of x, we can just write 3/2 of x by multiplying 3/2 by x. So 3/2x. Also, since we are subtracting two from 3/2x, -2 comes after 3/2x.
Now, since it says that it is more than 5 1/2, we could use the greater than sign (>), to express that. So >5 1/2
Our final expression is 3/2x-2>5 1/2.
Hope this helps!
5. C. Liquid 2 because 3ml = 1g, 6ml = 2g
6 C. Lead because 75.7 divided by 6.7 = 11.3
7. C. Copper because 89 divided by 10 = 8.9
Answer:
Eric forgot to add 2 to both sides.
Step-by-step explanation:
He forgot to add 2 to both sides so that he cancel out the -2 from the equation. Then the equation would become 2/5v=6 the you would divide those two and your answer would be 1/15.
To write 2323 as a fraction with a common denominator, multiply by 2222.2322−122322-12To write −12-12 as a fraction with a common denominator, multiply by 3333.2322−12332322-1233Write each expression with a common denominator of 66, by multiplying each by an appropriate factor of 11.2⋅26−1⋅362⋅26-1⋅36Combine the numerators over the common denominator.2⋅2−(1⋅3)62⋅2-(1⋅3)6Simplify the numerator.16