Equations as Balances

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Equations as Balances
The golden rule of solving equations
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1
1
1
1
1
1
x
1
Whatever you do to one side of the equation, you
must do to the other.
Take 3 away from each side
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2
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The golden rule of solving equations
1
1
1
1
x
1
x
1
Whatever you do to one side of the equation, you
must do to the other.
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1
1
1
x
1
This means that we have taken 1 away from each
side.
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1
1
1
x
1
3
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x
1
1
1
1
x
1
x
1
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Solving Equations Showing Good Working
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To understand what comes later, lets show it
as a Flow Chart
Equation
Reversing The Flow Chartto Solve the Equation
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What it means
How we will solve
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Example
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x
1
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Example
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x
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x
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x
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x
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More examples