CAIE IGCSE Mathematics Simultaneous Linear Equations

Review CAIE IGCSE Mathematics simultaneous linear equations through elimination, substitution, coefficient matching and word-problem equation pairs.

Exam points

solve two linear simultaneous equations by elimination or substitution with working
equate coefficients and add or subtract equations to remove one unknown
write simultaneous equations from prices, ages or ticket-cost word problems

[Maximum number: 2]

Solve the simultaneous equations.
$\begin{aligned}-6x-y&=13\\8x+y&=-51\end{aligned}$ $x=\quad y=$

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