2x + 4 = 12
Step one: subtract 4 from both sides.
2x = 8
Step two: divide both sides by two.
x = 4
I cannot see the entire picture, but I hope this helps.
12<span>x2</span>−13x−<span>14 look it up on google to show you the graph
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6 in the number 6.45 is the ones digit.
6 in the number 62 is the tens digit.
You plug 7 in for x
Therefore, f(7)=7-2=5
So f(7)=5
M/_A= 120°
m/_B=30°
m/_C= 100°
sum of all the angles=120+30+100 = 250°
