anonymous
  • anonymous
Will fan and metal! Just say a,b,c,or d
Mathematics
  • Stacey Warren - Expert brainly.com
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
A set of equations is given below: Equation E: a = 5b + 1 Equation F: a = 3b + 4 Which statement describes a step that can be used to find the solution to the set of equations? Equation F can be written as 5b + 1 = 3b + 4. Equation F can be written as b + 1 = 3b + 4. Equation F can be written as a = 3(a − 1) + 4. Equation F can be written as a = 5(a − 4) + 1.
anonymous
  • anonymous
and the other one is
anonymous
  • anonymous
A student is trying to solve the system of two equations given below: Equation P: y + z = 6 Equation Q: 8y + 7z = 1 Which of the following is a possible step used in eliminating the y-term? (y + z = 6) ⋅ −8 (y + z = 6) ⋅ 7 (8y + 7z = 1) ⋅ 7 (8y + 7z = 1) ⋅ 8

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anonymous
  • anonymous
help i am going to fail!
Z4K4R1Y4
  • Z4K4R1Y4
To approach the first question: if y = 6x – 3 and y = 3x + 4 I can say that 6x – 3 = 3x + 4. Does that make sense?
DanJS
  • DanJS
If a = Something AND a = Something else then Something = something else
DanJS
  • DanJS
Substitute what a equals in the first equation for a in the second equation, that is your answer
DanJS
  • DanJS
For the second, they want you to use the technique of adding together the two equations to have one variable cancel out. If you multiply the first equation by (-8), then you will have -8y in the first equation and +8y in the second equation. Adding the two equations together eliminates the Y variable , (-8y+8y) = 0y

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