Assign two variables for each problem, and write the equations. Do not solve.
2 answers:
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The x - coordinate of the solution is
Explanation:
The two equations are and
Let us determine the value of the x - coordinate using the substitution method.
Let us substitute in the equation
, we get,
Multiplying the term 3 within the bracket, we get,
Subtracting both sides of the equation by 6, we get,
Taking LCM on the LHS of the equation, we get,
Subtracting the numerator, we have,
Multiplying both sides of the equation by 2, we have,
Dividing both sides of the equation by 3, we get,
Thus, the x - coordinate of the solution is