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2x+42=1-x
Multiply both sides of the equation by 6, the least common multiple of 3,6.
2x+42+x=1
Add x to both sides.
3x+42=1
Combine 2x and x to get 3x.
3x=1-42
Subtract 42 from both sides.
3x=-41
Subtract 42 from 1 to get -41.
x=\frac{-41}{3}
Divide both sides by 3.
x=-\frac{41}{3}
Fraction \frac{-41}{3} can be rewritten as -\frac{41}{3} by extracting the negative sign.