4 is correct
reason is because the number next to x is the constant number and the end number is where you started
Answer:
? necesitamos más información.. ¿dónde están los fracciones?
Step-by-step explanation:
Method 1
You can use <span>The equilateral triangle </span>(look at the picture)

Method 2
You can use the <span>trigonometric function</span>

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Answer:
6
Step-by-step explanation:
x-7=1/4 (x-10)
distrubute 1/4 through the parentheses
x-7=1/4x -5/2
multiply both sides of the equation by 4
4x-28=x-10
4x-28-x=-10
3x=-10+28
3x=18
divide both by 3
x=6