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Mathematics
Biffle
17 November, 06:02
If ∠3 = 5x - 1, and ∠5 = 3x + 11, then x =
+4
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Denzel Woodward
17 November, 06:16
0
5 = 3x + 11
Reorder the terms:
5 = 11 + 3x
Solving
5 = 11 + 3x
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-3x' to each side of the equation.
5 + - 3x = 11 + 3x + - 3x
Combine like terms: 3x + - 3x = 0
5 + - 3x = 11 + 0
5 + - 3x = 11
Add '-5' to each side of the equation.
5 + - 5 + - 3x = 11 + - 5
Combine like terms: 5 + - 5 = 0
0 + - 3x = 11 + - 5
-3x = 11 + - 5
Combine like terms: 11 + - 5 = 6
-3x = 6
Divide each side by '-3'.
x = - 2
Simplifying
x = - 2
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