divine101
divine101
05-05-2021
Mathematics
contestada
Find the value of X.
Respuesta :
MrLinty
MrLinty
05-05-2021
As you see this is a right angle, so the sum of the two angles = 90°
So,
(x + 42) + 3x = 90°
Remove the parentheses:
x + 42 + 3x = 90
Combine like terms:
4x + 42 = 90
Subtract 42 on both sides:
4x = 48
Divide 4 on both sides:
x = 12
~
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