IGCSE /Grade 10
Maths MCQ Based On Solving simultaneous equations using elimination matching coefficients
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IGCSE Grade 10 Maths Solving simultaneous equations using elimination matching coefficients
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Solve the equations using elimination and check Kim's answer.
Carefully look at the coefficients of the variables.
Find out which number can equal the coefficient of one of the variables in both equations.
Match the coefficients.
Let the numerator be x and the denominator be y, and formulate the simultaneous equations.
Set up equations.
Eliminate the variable x by matching coefficients.
Let the number of black marbles be x and the number of red marbles be y.
Carefully observe the coefficients of the variables.
Set up the equations.
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