Pretty sure its 7 because x should equal 1 and since there put together like that you'd times it do it should be 4 then add 3 and its 7
Answer:
The diameter of the circle is 14cm
Step-by-step explanation:
Those are positive numbers.
Those that are less than zero are called negative numbers.
Zero itself can be considered both, or neither.
Answer:
Step-by-step explanation:
I've already answered this question.
Answer: x= 5-y/2
y= 5-2x
Step-by-step explanation:
2x + y= 5
4x + 2y=10
Addition of the two equations gives:
6x + 3y = 15
6x= 15- 3y
x= 15-3y/6 or simplified to x = 5-y/2
3y= 15- 6x
y= 15-6×/3 or simplified to y= 5-2x
