( x + 2 = 2 \cdot ( x - 1 ) )
Solve for x
x=4
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x+2=2x-2
Use the distributive property to multiply 2 by x-1.
x+2-2x=-2
Subtract 2x from both sides.
-x+2=-2
Combine x and -2x to get -x.
-x=-2-2
Subtract 2 from both sides.
-x=-4
Subtract 2 from -2 to get -4.
x=4
Multiply both sides by -1.
Examples
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Matrix
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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