SAT simultaneous equations
How can we solve the following system of equations:
Answer
http://www.satmath4u.com/threads/52-sat-math-simultaneous-equations
The method of elimination or addition (step-by-step) is:
In the elimination method, the object is to make the coefficients of one variable the same in both equations so that one variable can be eliminated either by adding the equations together or by subtracting one from the other.
So, in your case
Multiply by -4
Add equations
How can we solve the following system of equations:
Answer
http://www.satmath4u.com/threads/52-sat-math-simultaneous-equations
The method of elimination or addition (step-by-step) is:
In the elimination method, the object is to make the coefficients of one variable the same in both equations so that one variable can be eliminated either by adding the equations together or by subtracting one from the other.
So, in your case
Multiply by -4 Add equations
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