Physics, 12.09.2019 18:10 noahmoritz2004

Part d
in some cases, neither of the two equations in the system will contain a variable with a coefficient of 1, so we must take a further step to isolate it. let's say we now have
3c+4d=5
2c+5d=2
none of these terms has a coefficient of 1. instead, we'll pick the variable with the smallest coefficient and isolate it. move the term with the lowest coefficient so that it's alone on one side of its equation, then divide by the coefficient.
part e
now that you have one of the two variables in part d isolated, use substitution to solve for the two variables. you may want to review the multiplication and division of fractions and simplifying an expression primers. enter the answer as two numbers (either fraction or decimal), separated by a comma, with c first.

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Part d
in some cases, neither of the two equations in the system will contain a variable with...