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The sum of the measure of angle A and angle B is 180°.

The measure of angle A is (2z + 5)°.

The measure of angle B is 145°.

What is the value of z?

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Since the sum of angle A and angle B is 180°, we can write the equation:

(2z + 5) + 145 = 180

Now we solve for z:

2z + 150 = 180
2z = 30
z = 15

Therefore, the value of z is 15.

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