3x+7=-x-1
move -x to the other side
sign changes from -x to +x
3x+x+7=-x+x-1
3x+x+7=-1
4x+7=-1
move 7 to the other side
sign changes from +7 to -7
4x+7-7=-1-7
4x=-8
Divide by 4 for both sides
4x/4=-8/4
Answer: x=-2
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<span>
the measure of <RST shown in the diagram is </span>105 is the big arc. 23 is the small arc. <RST is the outside angle.
Answer:
h = 9.87 cm
Step-by-step explanation:
Given that,
Base, b = 8 cm
Height = h
Angle, 
We need to find the value of h. We can use trigonometry to find h.

So, the height of the triangle is 9.87 cm.
Answer:
The price after the discount would be $315.