A fair coin will be tossed three times. The possible outcomes are shown below:
2 answers:
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Answer:
Step-by-step explanation:
Given
Required
Equivalent form of the first equation that eliminates x when added to the second
To do this, we simply make the coefficients of x to be opposite in both equations.
In the second equation, the coefficient of x is 8.
So, we need to make the coefficient of x -8, in the first equation.
Multiply by -10
<em>When this is added to the first equation, the x terms becomes eliminated</em>