How do you solve $1 + X = 3$ $1 + X = 3$ ?

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Answer 1 · 2017-01-27T18:24:33

Subtract $1$ $color(red)(1)$ from each side of the equation to solve for $X$ $X$ :

$1 + X - 1 = 3 - 1$ $1 + X - color(red)(1) = 3 - color(red)(1)$

$1 - 1 + X = 2$ $1 - color(red)(1) + X = 2$

$0 + X = 2$ $0 + X = 2$

$X = 2$ $X = 2$

How do you solve 1 + X = 31+X=31 + X = 3?