Solve the following simultaneous equations: 3y=7+5x (1) 9x=-7y-4 (2)
Rearrange (2): x=(-7y-4)/9Substitute the value of x from (2) into (1): 3y=7+5*(-7y-4)/9 Simplify and rearrange for y: y+(35y/27)=(7/3) -(20/27)Resolve for y: y=43/62Substitute y into (1): (3*63)/62=7+5xRearrange for x and evaluate answer: x=-61/62
TD
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