Answer:
x = 1/3
There is one solution
Step-by-step explanation:
3x -1= 1-3x
Add 3x to each side
3x+3x -1= 1-3x+3x
6x-1 =1
Add 1 to each ide
6x-1+1 = 1+1
6x =2
Divide each side by 6
6x/6 = 2/6
x = 1/3
There is one solution
Answer:
8x - 24 + 4x = 180
12x - 24 = 180
12x - 24 + 24 = 180 + 24
12x = 204
12x / 12 = 204 / 12
x = 17
∠NOP = 4(17)
= 68°
Step-by-step explanation:
Answer:
Solution (7,1)
Step-by-step explanation:
Use the elimination method
x + y=8
x - y=6
--------------Add
2x = 14
x = 7
Substitute x = 7 into x + y=8
7 + y=8
y = 8 - 7
y = 1
Solution (7,1)
First question: -2
Answer: 2(cos 180° + i sin 180°)
2(-1 + i 0) = -2
Second question: -2i
Answer: 2(cos 270° + i sin 270°)
2(0 + i (-1)) = -2i
X=<span><span><span><span>−4/</span>3</span>y</span>+<span><span>−8/</span><span>3
and
</span></span></span>x=<span><span><span><span>−4/</span>3</span>y</span>+<span>10/<span>9</span></span></span>