7x-2y=16
11x+6y=32.3
how to solve this math problem

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

How to simply and write the answer n a whole number

1. 2. ∠b and ∠y are right angles. 3.? 4.? which two statements are missing in steps 3 and 4? ∠x ≅ ∠c △abc ~ △zyx by the sas similarity theorem. ∠b ≅ ∠y △abc ~ △zyx by the sas similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem.