Solve for y : 7x – 2y = 2 3x + 4y = 30
Multiply the first equation by 3, the second by 7, and subtract. 21x – 6y = 6 21x + 28y = 210 –34y = –204 y = 6
Multiply the first equation by 3, the second by 7, and subtract.
21x – 6y = 6
21x + 28y = 210
–34y = –204
y = 6
1297 MCQ for effective preparation of the test of of Word Problems section.
Read the MCQ statement: Solve for y : 7x – 2y = 2 3x + 4y = 30 , keenly and apply the method you have learn through the video lessons for to give the answer. Record your answer and check its correct answer and video explanation for MCQ No. 544-13311.