Answer:
5y2 + 4y - 12 + 6x
Step-by-step explanation:
3y2 + 2y2 + 8y - 12 + 6x
A set that is closed under an operation or collection of operations is said to satisfy a closure
property.
For example, the set of even integer is closed under addition, but the set of odd integer is not.
Answer:
-3
Step-by-step explanation:
The product (the result of a multiplication) of 4 and a number. Let x be the unknown number:
4 · x = 4x
Plus 17:
4x + 17
Is 5:
4x + 17 = 5
Solve:
4x = 5 - 17
4x = -12
x = -12 ÷ 4
x = -3
Answer:
a=9
Step-by-step explanation:
39+24=63
63/7=9=a
The matrix can be solved by a calculator too.