Question

$$2x+3=4(x+1)$$

Answer

x=-1/2

Solution


Expand.
\[2x+3=4x+4\]
Subtract \(2x\) from both sides.
\[3=4x+4-2x\]
Simplify  \(4x+4-2x\)  to  \(2x+4\).
\[3=2x+4\]
Subtract \(4\) from both sides.
\[3-4=2x\]
Simplify  \(3-4\)  to  \(-1\).
\[-1=2x\]
Divide both sides by \(2\).
\[-\frac{1}{2}=x\]
Switch sides.
\[x=-\frac{1}{2}\]

Decimal Form: -0.5