Answer:
X=-7
Step-by-step explanation:
distribute
-3x-6=15
simplify
-3x-6+6=15+6
-3x=21
3x=-21
x=-7
Answer:
2 2/5
Step-by-step explanation:
3 * 4/5
~Make the whole number a fraction by adding a 1 as the denominator
3/1 * 4/5
~Multiply both numerators and denominators
12/5 or 2 2/5
Best of Luck!
Common difference r will be the difference between next two values of number row, so we take e.g. second minus first: r=9.4-6=3.4. You can see, that this value is constant as we go through next pairs of values.