Solve for x
x=-2
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3x+7=1
Square both sides of the equation.
3x+7-7=1-7
Subtract 7 from both sides of the equation.
3x=1-7
Subtracting 7 from itself leaves 0.
3x=-6
Subtract 7 from 1.
\frac{3x}{3}=-\frac{6}{3}
Divide both sides by 3.
x=-\frac{6}{3}
Dividing by 3 undoes the multiplication by 3.
x=-2
Divide -6 by 3.
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