
Mark M. answered 12/03/19
Tutor
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Mathematics Teacher - NCLB Highly Qualified
3x - 8y = 7
x + 2y = -7
3x - 8y =7
4x + 8y = -28
7x = -21
x = -3
What is the value of y?
Trinidee V.
asked 12/03/19Use the linear combination method to solve the system of equations. Explain each step of your solution.
3x-8y=7
x+2y=-7
Mark M. answered 12/03/19
Mathematics Teacher - NCLB Highly Qualified
3x - 8y = 7
x + 2y = -7
3x - 8y =7
4x + 8y = -28
7x = -21
x = -3
What is the value of y?
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