Worksheets

Simultaneous equations

Level 1 · Substitution

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Solve the simultaneous equations.

1.
{y=3xx+y=4\begin{cases} y = 3x \\ x + y = 4 \end{cases}
2.
{y=2xx+y=18\begin{cases} y = 2x \\ x + y = 18 \end{cases}
3.
{y=4xx+y=15\begin{cases} y = 4x \\ x + y = 15 \end{cases}
4.
{y=4xx+y=30\begin{cases} y = 4x \\ x + y = 30 \end{cases}
5.
{y=x+53x+y=17\begin{cases} y = x + 5 \\ 3x + y = 17 \end{cases}
6.
{y=x+13x+y=21\begin{cases} y = x + 1 \\ 3x + y = 21 \end{cases}
7.
{y=x+64x+y=36\begin{cases} y = x + 6 \\ 4x + y = 36 \end{cases}
8.
{x=y+7x+y=25\begin{cases} x = y + 7 \\ x + y = 25 \end{cases}
9.
{x=y+3x+y=7\begin{cases} x = y + 3 \\ x + y = 7 \end{cases}
10.
{x=y+9x+y=15\begin{cases} x = y + 9 \\ x + y = 15 \end{cases}

0 of 10 right

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