What value do you obtain for X after solving the equation -7X + 20 = 13?
How to use substitution to solve a system of equations
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Mathematics
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11th Grade - University
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Hard
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The video tutorial explains how to solve a system of equations using substitution. It begins by identifying a variable with a coefficient of 1 and solving for it. The solution is then substituted into another equation, which is simplified to find the value of the second variable. The final solution is presented as a coordinate point, representing the intersection of the equations when graphed.
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2 questions
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OPEN ENDED QUESTION
3 mins • 1 pt
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the final solution for the coordinate point after finding the values of X and Y?
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