Worksheets

Simultaneous equations

Level 1 · Substitution

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Solve the simultaneous equations.

1.
{y=5xx+y=54\begin{cases} y = 5x \\ x + y = 54 \end{cases}
2.
{y=3xx+y=12\begin{cases} y = 3x \\ x + y = 12 \end{cases}
3.
{y=2xx+y=27\begin{cases} y = 2x \\ x + y = 27 \end{cases}
4.
{y=5xx+y=36\begin{cases} y = 5x \\ x + y = 36 \end{cases}
5.
{y=x+74x+y=12\begin{cases} y = x + 7 \\ 4x + y = 12 \end{cases}
6.
{y=x+55x+y=23\begin{cases} y = x + 5 \\ 5x + y = 23 \end{cases}
7.
{y=x+84x+y=18\begin{cases} y = x + 8 \\ 4x + y = 18 \end{cases}
8.
{x=y+3x+y=7\begin{cases} x = y + 3 \\ x + y = 7 \end{cases}
9.
{x=y+3x+y=9\begin{cases} x = y + 3 \\ x + y = 9 \end{cases}
10.
{x=y+9x+y=27\begin{cases} x = y + 9 \\ x + y = 27 \end{cases}

0 of 10 right

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