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Slide 2

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TIPS FOR SOLVING EQUATIONS
·Write down every step
·Be methodical
·Check your answers by substituting
back into the equations
·Remember to do the same operation to
both sides of an equation
·Remember to solve simultaneous
equations, you need to find solutions
for both variables…read more

Slide 3

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USING GRAPHS TO SOLVE
SIMULTANEOUS EQUATIONS
·Can you think of a coordinate that
would satisfy both the equations y = 2x
and y = 6 at the same time?
·How could we use graphs to find a
solution to the simultaneous equations
y = 2x and y = 6?…read more

Slide 4

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The coordinates
of the point of
intersection of
the two graphs
represents the
solution.
The graphs cross at (3,6).
The solution is x = 3 and y = 6.
This is the only point at which
the two equations are
simultaneously true.…read more

Slide 5

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USING GRAPHS TO SOLVE
SIMULTANEOUS EQUATIONS
·Can you think of a coordinate that
would satisfy both the equations y = 3x
and x + y = 8 at the same time?
·How could we use graphs to find a
solution to the simultaneous equations
y = 3x and x + y = 8?…read more

Slide 6

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The graphs cross at
(2,6).
The solution is x = 2
and y = 6.
This is the only point
at which the two
equations are
simultaneously true.…read more

Slide 7

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Slide 8

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