Answer:
If two lines are perpendicular to the same line, then the two lines are parallel, and if two lines are parallel, then their slopes are equal
Step-by-step explanation:
Answer:
slope = -2
Step-by-step explanation:
(-5,2) (-8,8)
equation to find slope: 
= 
= 
= -2
Answer: it’s the first one
Step-by-step explanation:
Answer:
3x + 3y
Step-by-step explanation:
The two minus signs make a plus sign. Therefore, we replace the minus signs with a plus sign, getting 3x + 3y.
Answer:
x = 7
Step-by-step explanation:
Lets do the brackets first,
6 × 2x = 12
6 × -11 = -66
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Calculate the x constant:
12x - 3x = 9x
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Then the ones with no x:
-66 + 15 = -51
51 + 12 = 63
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Lastly, divide
63 ÷ 9 = 7
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Have a good day :)
