Answer:
X=7
Y=9
Step-by-step explanation:
.y=x+2
y = 2x - 5
Use equivalents y=y so you get:
X+2=2x-5
X-2x=-5-2
-x=-7
X=7
Y=x+2=7+2=9
Answer:
i guess 87
Step-by-step explanation:
87.2
nearest must be 87
if 87.5
nearest is 88
Answer: 12:28
Step-by-step explanation:
40/10=4
4x3=12
4x7=28
Important: Please express exponents properly: -2x^2 Correct
-2x2 Not correct
Rewrite <span>(-2x2 -6x + 7) - (3x3 - 5x + 14)
as
</span><span>- 2x^2 -6x + 7
</span><span>- (3x^3 - 5x + 14)
__________________
Even better, write each power of x in its own column:
</span>- 2x^2 -6x + 7 - 2x^2 -6x + 7
- 3x^3 + 5x -14 - 3x^3 + 5x -14
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-3x^3 - 2X^2 - X - 7 (ANSWER)