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So the "back" of the arrow is on/above -20.
The arrow points to -12.
You added something to -20 to get to -12.
So the first number is -20. You added ? to get -12. -12 is the last number / the answer to the equation.
So the equation from what you have so far is -20 + ? = -12
You need to isolate the ? so that you know what it is.
So to get rid of the -20 (make it 0), you have to add 20. -20 plus 20 equals 0, which basically means it is gone. You also have to add 20 to -12. 20 plus -12 equals 8.
Now the equation is ? = 8.
So you know that the second number is 8.
The equation makes sense; -20 + 8 = -12.
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Answer: Part A - 113°
Step-by-step explanation:
A. 6x-5 = 5x+7 -> x = 12
6x-5 -> 6(12)-5 = 72-5 = 67
180-67 = 113
Answer: a=3 & b=-2
Step-by-step explanation:
Answer:
1350 cm^2
Step-by-step explanation:
(W * H)/2 * L
(12*9)/2 *25
54*25
1350
15 - 1 = x thats the answer to the problem thats how you can have the answer