Example

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

Question

$$4284-(x-378)=1000$$

Answer

x=3662

Solution


Remove parentheses.
\[4284-x+378=1000\]
Simplify  \(4284-x+378\)  to  \(4662-x\).
\[4662-x=1000\]
Subtract \(4662\) from both sides.
\[-x=1000-4662\]
Simplify  \(1000-4662\)  to  \(-3662\).
\[-x=-3662\]
Multiply both sides by \(-1\).
\[x=3662\]
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