Answer:
x = -10(see explanation!)
Step-by-step explanation:
With any equation, you will want to isolate the variable, in this case x. Here's a step by step:
3(x+4) = -18
Distribute the 3:
3*x + 4*3 = -18
Simplify:
3x + 12 = -18
Subtract 12 on both sides to isolate x:
3x + 12 - 12 = -18 - 12
3x = -30
Finally, divide by three to get the x value:
3x/3 = -30/3
x = -10
Answer: 10 or -10
Step-by-step explanation: 3x + 12 = -18
-12 both sides then you get 3x = -30 divide by 3 which equals x = 10 or -10
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100°= angle b(VERTICAL OPPOSITE ANGLE)
100°+x°=180°[co interior angle]
x=180°-100°
x=80°
your answer should be 3
6 points for the touchdown
B
