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=48\begin{cases} y = 5x \\ x + y = 48 \end{cases}
3.
{y=3xx+y=4\begin{cases} y = 3x \\ x + y = 4 \end{cases}
4.
{y=4xx+y=30\begin{cases} y = 4x \\ x + y = 30 \end{cases}
5.
{y=x+12x+y=22\begin{cases} y = x + 1 \\ 2x + y = 22 \end{cases}
6.
{y=x+42x+y=16\begin{cases} y = x + 4 \\ 2x + y = 16 \end{cases}
7.
{y=x+14x+y=41\begin{cases} y = x + 1 \\ 4x + y = 41 \end{cases}
8.
{x=y+4x+y=8\begin{cases} x = y + 4 \\ x + y = 8 \end{cases}
9.
{x=y+6x+y=14\begin{cases} x = y + 6 \\ x + y = 14 \end{cases}
10.
{x=y+1x+y=11\begin{cases} x = y + 1 \\ x + y = 11 \end{cases}

0 of 10 right

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