Question

Pls pls pls pls help

Answer 1

Explanation:

Assuming the big angle is a right angle and you're asking to solve for x?:

The 2 angles are complementary and add up to 90.

(3x + 12) + (2x - 7) = 90

5x + 5 = 90

5x = 85

x = 85/5 = 17