Answer:
12
Step-by-step explanation:
As we know that the sum of supplementary angles is 180°
Let's create an equation:
[tex]6x + 48 + 60 = 180[/tex]
Calculate the sum
[tex]6x + 108 = 180[/tex]
Move constant to R.H.S and change its sign
[tex]6x = 180 - 108[/tex]
Calculate the difference
[tex]6x = 72[/tex]
Divide both sides of the equation by 6
[tex] \frac{6x}{6} = \frac{72}{6} [/tex]
Calculate
[tex]x = 12[/tex]
Hope this helps...
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