3. One number is 9 more than twice another number. If the sum of the numbers is 129, find both numbers.

4. Jane scored 17 points higher on her second test

then on her first test. If the sum of the scores on

the two tests is 183 points, find the score of each

test.

scoreon thefirst testis 83 andscoreon thesecond test is 100## Application of simultaneous equations

valueof thenumbersinformation,One number is 9 more than twice another number“xand the other beythe sum of the numbers is 129“SolvingSubstituteequation (1) into equation(2)Substitutethe value of y into equation (1)scoresoneach testmnJane scored 17 points higher on her second test than on her first test“the sum of the scores on the two tests is 183 points“Substituteequation (1) into equation(2)Substitutethevalueofyinto equation (1)scoreon thefirst testis 83 andscoreon thesecond test is 100Simultaneous equationshere: https://brainly.com/question/26310043