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OpenStudy (anonymous):
x+2=9
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OpenStudy (anonymous):
PEMPAS
OpenStudy (anonymous):
If there Isn't any of the First steps, then go the last steps called the addition and subtraction.
OpenStudy (anonymous):
\[x+2=9\] - 2 -2 x=7
OpenStudy (anonymous):
so sub the 7 back into the equation to check your work.\[(7)+2=9\]
OpenStudy (anonymous):
9=9 so the solution is correct.
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