Slides in this set
Method when the coefficients are not the same
and one is negative
Solve the simultaneous equations
3x + 7y = 8
x - 3y = 0
Multiply the second equation by .......
Are you eliminating the xs or the ys?
Will you add or subtract the equations?…read more
TIPS FOR SOLVING EQUATIONS
·Write down every step.
·Remember to do the same operation to both
sides of an equation.
·Decide which variables you are going to
make the same. Sometimes it doesn't matter,
but sometimes it does!
·Remember to solve simultaneous equations,
you need to find solutions for both variables.
·Check your answers by substituting back
into the equations.…read more