Question

Como resolver 3×=-7+×

Answer 1

$3x=-7+x$

$3x-x=-7$

$2x=-7$

$x=- \dfrac{7}{2} =-3,5$

Answer 2

3x = -7 + x 
3x - x = -7
2x = -7
x = -7/2
x = -3,5
 
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