Simultaneous equations

There are 55 NRICH Mathematical resources connected to Simultaneous equations

problem

Another quadruple clue sudoku

Age

11 to 16

Challenge level

This is a variation of sudoku which contains a set of special clue-numbers. Each set of 4 small digits stands for the numbers in the four cells of the grid adjacent to this set.

problem

Nine, ten and one

Age

11 to 14

Challenge level

Can you find the value of t in these equations?

problem

Addition equation sudoku

Age

11 to 14

Challenge level

You need to find the values of the stars before you can apply normal Sudoku rules.

problem

The simple life

Age

11 to 14

Challenge level

The answer is $5x+8y$... What was the question?

article

A method of defining coefficients in the equations of chemical reactions

A simple method of defining the coefficients in the equations of chemical reactions with the help of a system of linear algebraic equations.

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Simultaneous equations

Another quadruple clue sudoku

Nine, ten and one

Addition equation sudoku

The simple life

A method of defining coefficients in the equations of chemical reactions