Answer: Choice B)
(y+5)+y = 6
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So what we do is start with x+y = 6. We can replace the 'x' with (y+5). This replacement is possible because x = y+6; ie x and y+6 are the same. Another term for "replace" is "substitute"
This is how we're able to go from x+y = 6 to (y+5)+y = 6
Answer:
It’s c. -37 and -3
Step-by-step explanation:
Answer:
D. -x2 + 2x -3
Step-by-step explanation:
the first step is we open all the brackets then it will be :
x2 - 3x - 2x2 + 5x - 3
= x2 - 2x2 - 3x + 5x - 3
= -x2 + 2x -3
Answer:
40
Step-by-step explanation:
the range is the number between the highest and lowest number. the lowest in this is 5 and the highest is 45
45-5=40