Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$\frac{ 2x }{ 7 } =-1$$

Answer

x=-7/2

Solution


Multiply both sides by \(7\).
\[2x=-1\times 7\]
Simplify  \(1\times 7\)  to  \(7\).
\[2x=-7\]
Divide both sides by \(2\).
\[x=-\frac{7}{2}\]

Decimal Form: -3.5

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