Worksheets

Simultaneous equations

Level 1 · Substitution

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Solve the simultaneous equations.

1.
{y=2xx+y=15\begin{cases} y = 2x \\ x + y = 15 \end{cases}
2.
{y=5xx+y=24\begin{cases} y = 5x \\ x + y = 24 \end{cases}
3.
{y=4xx+y=5\begin{cases} y = 4x \\ x + y = 5 \end{cases}
4.
{y=4xx+y=45\begin{cases} y = 4x \\ x + y = 45 \end{cases}
5.
{y=x+33x+y=39\begin{cases} y = x + 3 \\ 3x + y = 39 \end{cases}
6.
{y=x+73x+y=15\begin{cases} y = x + 7 \\ 3x + y = 15 \end{cases}
7.
{y=x+13x+y=5\begin{cases} y = x + 1 \\ 3x + y = 5 \end{cases}
8.
{x=y+8x+y=14\begin{cases} x = y + 8 \\ x + y = 14 \end{cases}
9.
{x=y+9x+y=21\begin{cases} x = y + 9 \\ x + y = 21 \end{cases}
10.
{x=y+5x+y=13\begin{cases} x = y + 5 \\ x + y = 13 \end{cases}

0 of 10 right

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