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Since the two angles are inside a 90° angle, their sum must be equal to 90°.
So, ×+4 + 3×+2 = 90°.
Combining like terms, we get 4x + 6 = 90.
Subtracting 6 from both sides, we have 4x = 84.
Dividing both sides by 4, we get x = 21.
Therefore, x is equal to 21.