Question 1120456

the other tutor's answers were correct except for the last one in which the correct solution should have been 3x + 5y = 9 rather than 3x + 5y = 11.


that was a minor error in subtraction at the end.


also, the final answers were not in the correct format you requested.


the standard form of a linear equation is ax + by = c


you needed the form of ax + by - c = 0


here's my solutions to each of your problems.


<a href = "https://www.algebra.com/algebra/homework/Linear-equations/Linear-equations.faq.question.1120389.html" target = "_blank">https://www.algebra.com/algebra/homework/Linear-equations/Linear-equations.faq.question.1120389.html</a>


<a href = "https://www.algebra.com/algebra/homework/Linear-equations/Linear-equations.faq.question.1120390.html" target = "_blank">https://www.algebra.com/algebra/homework/Linear-equations/Linear-equations.faq.question.1120390.html</a>


<a href = "https://www.algebra.com/algebra/homework/Linear-equations/Linear-equations.faq.question.1120391.html" target = "_blank">https://www.algebra.com/algebra/homework/Linear-equations/Linear-equations.faq.question.1120391.html</a>


here's a reference you might find helpful.


<a href = "https://www.mathsisfun.com/algebra/line-equation-general-form.html" target = "_blank">https://www.mathsisfun.com/algebra/line-equation-general-form.html</a>


here's another.


<a href = "http://www.purplemath.com/modules/strtlneq.htm" target = "_blank">http://www.purplemath.com/modules/strtlneq.htm</a>


and another.


<a href = "http://www.purplemath.com/modules/slope.htm" target = "_blank">http://www.purplemath.com/modules/slope.htm</a>