Worksheets

Simultaneous equations

Level 1 · Substitution

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Solve the simultaneous equations.

1.
{y=4xx+y=40\begin{cases} y = 4x \\ x + y = 40 \end{cases}
2.
{y=3xx+y=12\begin{cases} y = 3x \\ x + y = 12 \end{cases}
3.
{y=5xx+y=54\begin{cases} y = 5x \\ x + y = 54 \end{cases}
4.
{y=3xx+y=24\begin{cases} y = 3x \\ x + y = 24 \end{cases}
5.
{y=x+93x+y=21\begin{cases} y = x + 9 \\ 3x + y = 21 \end{cases}
6.
{y=x+85x+y=62\begin{cases} y = x + 8 \\ 5x + y = 62 \end{cases}
7.
{y=x+54x+y=30\begin{cases} y = x + 5 \\ 4x + y = 30 \end{cases}
8.
{x=y+1x+y=3\begin{cases} x = y + 1 \\ x + y = 3 \end{cases}
9.
{x=y+6x+y=20\begin{cases} x = y + 6 \\ x + y = 20 \end{cases}
10.
{x=y+5x+y=7\begin{cases} x = y + 5 \\ x + y = 7 \end{cases}

0 of 10 right

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