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How do you solve $- 3.4 + x = 4.2$ $-3.4+ x = 4.2$ ?

1 Answer

Mar 29, 2018

$x = 7.6$ $x=7.6$

Explanation:

Add 3.4 to both sides as this gets rid of it on the Left hand side

$- 3.4 + 3.4 + x = 4.2 + 3.4$ $-3.4+3.4+x=4.2+3.4$

$x = 7.6$ $x=7.6$

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