7 a -4 =30
Move all terms not containing
a
to the right side of the equation.
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7
a = 34
Divide each term by
7
and simplify.
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a = 34 7
The result can be shown in multiple forms.
Exact Form:
a = 34 7
Decimal Form:
a = 4. 857142
Mixed Number Form:
a
=
4 6/ 7