Respuesta :
answer : 1
5x - 4 + 2x = 3
+ 4 +4
5x + 2x = 7
7x = 7
divide 7 on both sides.
x = 1
5x - 4 + 2x = 3
+ 4 +4
5x + 2x = 7
7x = 7
divide 7 on both sides.
x = 1
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