a/4-4;a=-18

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Solution for a/4-4;a=-18 equation:



a/4-4a=-18
We move all terms to the left:
a/4-4a-(-18)=0
We add all the numbers together, and all the variables
-4a+a/4+18=0
We multiply all the terms by the denominator
-4a*4+a+18*4=0
We add all the numbers together, and all the variables
a-4a*4+72=0
Wy multiply elements
a-16a+72=0
We add all the numbers together, and all the variables
-15a+72=0
We move all terms containing a to the left, all other terms to the right
-15a=-72
a=-72/-15
a=4+4/5

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