Two supplementary angles differ by 34°. Find the angles

Two supplementary angles differ by 34°. Find the angles

Match the items on the right to the items on the left.

step 1

step 2

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step 6

let one angle be x°. then the other angle is (x+34)°

given that x° and (x+34)° are supplementary angles

x + (x+34)=180

2x+34=180

2x=146

x=73