Worksheets

Simultaneous equations

Level 1 · Substitution

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Solve the simultaneous equations.

1.
{y=4xx+y=20\begin{cases} y = 4x \\ x + y = 20 \end{cases}
2.
{y=3xx+y=16\begin{cases} y = 3x \\ x + y = 16 \end{cases}
3.
{y=5xx+y=12\begin{cases} y = 5x \\ x + y = 12 \end{cases}
4.
{y=2xx+y=3\begin{cases} y = 2x \\ x + y = 3 \end{cases}
5.
{y=x+95x+y=21\begin{cases} y = x + 9 \\ 5x + y = 21 \end{cases}
6.
{y=x+84x+y=28\begin{cases} y = x + 8 \\ 4x + y = 28 \end{cases}
7.
{y=x+23x+y=22\begin{cases} y = x + 2 \\ 3x + y = 22 \end{cases}
8.
{x=y+9x+y=25\begin{cases} x = y + 9 \\ x + y = 25 \end{cases}
9.
{x=y+6x+y=12\begin{cases} x = y + 6 \\ x + y = 12 \end{cases}
10.
{x=y+8x+y=14\begin{cases} x = y + 8 \\ x + y = 14 \end{cases}

0 of 10 right

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