Find the value of x.

x = 29

Step-by-step explanation:

The three angles add to 90 degrees

x+3  + x-1   + x+1 = 90

Combine like terms

3x +3 = 90

Subtract 3 from each side

3x+3-3 = 90-3

3x = 87

Divide by 3

3x/3 = 87-3

x = 29

x = 29

Step-by-step explanation:

The 3 angles sum to 90° , that is

x + 3 + x - 1 + x + 1 = 90

3x + 3 = 90 (subtract 3 from both sides )

3x = 87 ( divide both sides by 3 )

x = 29

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