Hello everyone! Don’t actually solve this, but can you give me the actual steps I would take to solve it? Thanks! 7x+3y=18 3x+7y=18 Solve for x, y (not real problem)

Question

asked Jul 22, 2024 124k views

1 Answer

Scnerd · Answer 1 · 2024-07-28T10:19:45+0000

Answer:

either use substitution or elimination

Explanation:

eg for substitution

make 7x+3y=18 into

7x = 18-3y,

x = (18 - 3y)/7

then input into 2nd equation to find y

ie 3[(18 - 3y)/7] +7y =18

solve to find y

then use ans in y to find x using either equation