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Examples of Subtraction equations


Subtraction equations

Post by natttt
Posted on 2011-02-01 14:26:07
Subtraction equations

Example:
x - 5 = 7
x - 5 + 5 = 7 + 5
x - 0 = 12
x = 12
Check the answer by substituting the value of x (12) back into the equation.
12 - 5 = 7

Example 2:
x - 50 = 70
x - 50 + 50 = 70 + 50
x - 0 = 120
x = 120
Check the answer by substituting the value of x (120) back into the equation.
120 - 50 = 70

Example 3:
x - 500 = 700
x - 500 + 500 = 700 + 500
x - 0 = 1200
x = 1200
Check the answer by substituting the value of x (1200) back into the equation.
1200 - 500 = 700


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