I need the steps to this equation Please help X - 4 = 2x +9

Step-by-step explanation:

Add 4 to both sides:

Subtract 2x from both sides:

Divide both sides by -1:

x-4=2x+9

=-4-9=2x-x

= -14=x

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1. 34

2. 268

3. x=14.4

step-by-step explanation:

180°

step-by-step explanation:

sum of equilateral triangle=180°

< n=60°

< m=120°°[angle supplementary of equilateral angle]

< m+< r+< x=360°(sum of exterior angle of triangle)