Worksheets

Simultaneous equations

Level 1 · Substitution

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Solve the simultaneous equations.

1.
{y=4xx+y=45\begin{cases} y = 4x \\ x + y = 45 \end{cases}
2.
{y=5xx+y=12\begin{cases} y = 5x \\ x + y = 12 \end{cases}
3.
{y=4xx+y=40\begin{cases} y = 4x \\ x + y = 40 \end{cases}
4.
{y=4xx+y=5\begin{cases} y = 4x \\ x + y = 5 \end{cases}
5.
{y=x+65x+y=24\begin{cases} y = x + 6 \\ 5x + y = 24 \end{cases}
6.
{y=x+22x+y=11\begin{cases} y = x + 2 \\ 2x + y = 11 \end{cases}
7.
{y=x+72x+y=22\begin{cases} y = x + 7 \\ 2x + y = 22 \end{cases}
8.
{x=y+9x+y=21\begin{cases} x = y + 9 \\ x + y = 21 \end{cases}
9.
{x=y+7x+y=23\begin{cases} x = y + 7 \\ x + y = 23 \end{cases}
10.
{x=y+4x+y=12\begin{cases} x = y + 4 \\ x + y = 12 \end{cases}

0 of 10 right

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