Worksheets

Simultaneous equations

Level 1 · Substitution

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Solve the simultaneous equations.

1.
{y=4xx+y=25\begin{cases} y = 4x \\ x + y = 25 \end{cases}
2.
{y=5xx+y=18\begin{cases} y = 5x \\ x + y = 18 \end{cases}
3.
{y=2xx+y=12\begin{cases} y = 2x \\ x + y = 12 \end{cases}
4.
{y=4xx+y=20\begin{cases} y = 4x \\ x + y = 20 \end{cases}
5.
{y=x+53x+y=29\begin{cases} y = x + 5 \\ 3x + y = 29 \end{cases}
6.
{y=x+82x+y=35\begin{cases} y = x + 8 \\ 2x + y = 35 \end{cases}
7.
{y=x+93x+y=21\begin{cases} y = x + 9 \\ 3x + y = 21 \end{cases}
8.
{x=y+9x+y=11\begin{cases} x = y + 9 \\ x + y = 11 \end{cases}
9.
{x=y+1x+y=11\begin{cases} x = y + 1 \\ x + y = 11 \end{cases}
10.
{x=y+7x+y=19\begin{cases} x = y + 7 \\ x + y = 19 \end{cases}

0 of 10 right

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