Worksheets

Simultaneous equations

Level 1 · Substitution

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Solve the simultaneous equations.

1.
{y=2xx+y=18\begin{cases} y = 2x \\ x + y = 18 \end{cases}
2.
{y=5xx+y=6\begin{cases} y = 5x \\ x + y = 6 \end{cases}
3.
{y=4xx+y=45\begin{cases} y = 4x \\ x + y = 45 \end{cases}
4.
{y=4xx+y=10\begin{cases} y = 4x \\ x + y = 10 \end{cases}
5.
{y=x+52x+y=14\begin{cases} y = x + 5 \\ 2x + y = 14 \end{cases}
6.
{y=x+34x+y=28\begin{cases} y = x + 3 \\ 4x + y = 28 \end{cases}
7.
{y=x+25x+y=20\begin{cases} y = x + 2 \\ 5x + y = 20 \end{cases}
8.
{x=y+9x+y=23\begin{cases} x = y + 9 \\ x + y = 23 \end{cases}
9.
{x=y+5x+y=21\begin{cases} x = y + 5 \\ x + y = 21 \end{cases}
10.
{x=y+8x+y=18\begin{cases} x = y + 8 \\ x + y = 18 \end{cases}

0 of 10 right

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