Please help me need help

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20

40 points. given: two congruent angles ∠c and ∠r are supplementary. prove: ∠r and ∠c are both right angles. it doesn't have to be exactly 10 rows.statements reasons1. 1. 2. 2. 3. 3. 4. 4. 5. 5. 6. 6. 7. 7. 8. 8. 9. 9. 10. 10.

X-10/4 when x = –18 a 7 b –2 c –7 d 2