SOLUTION: Solve and then check the system of equations by substitution method. SHOW ALL WORK AND ALL STEPS
4a+7b=2
5a+b=-13
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-> SOLUTION: Solve and then check the system of equations by substitution method. SHOW ALL WORK AND ALL STEPS
4a+7b=2
5a+b=-13
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Question 969199: Solve and then check the system of equations by substitution method. SHOW ALL WORK AND ALL STEPS
4a+7b=2
5a+b=-13 Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! 4a+7b=2
5a+b=-13
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Solve the 2nd eqn for b
b = -5a - 13
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Sub for b in the 1st equation.