Y = kx - 8. The variable k can be any negative value.
Use the sin identity to find that side. Sin(30) = a/12...12 sin(30) = a, and a = 6
sin = opposite/hypotenuse
sin 40° = 12/x
Cross multiply.
0.64278760968x = 12
Divide both sides by sin 40°.
x = 18.7 (rounded to nearest tenth).
−
4
x
+
7
=
2
Step 1: Subtract 7 from both sides.
−
4
x
+
7
−
7
=
2
−
7
−
4
x
=
−
5
Step 2: Divide both sides by -4.
−
4
x
−
4
=
−
5
−
4
x
=
5
4
Answer:
<h2>
Your Answer is C!!!!!!!!!</h2>
Steps:

Add 2y to both sides:

Simplify:

Multiply both sides by 2:
2·
·6+2·2y
Simplify:
x>-12+4y