Solución y comprobación de:
4X - 3 = -5X + 5
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Resolver.
4x - 3 = - 5x + 5
4x + 5x = 5 + 3
9x = 8
x = 8/9
Comprobacion.
4x - 3 = - 5x + 5
4(8/9) - 3 = - 5(8/9) + 5
32/9 - 3 = - 40/9 + 5
32/9 - 27/9 = - 40 /9 + 45/9
(32 - 27)/9 = ( - 40 + 45)/9
5/9 = 5/9
4x - 3 = - 5x + 5
4x + 5x = 5 + 3
9x = 8
x = 8/9
Comprobacion.
4x - 3 = - 5x + 5
4(8/9) - 3 = - 5(8/9) + 5
32/9 - 3 = - 40/9 + 5
32/9 - 27/9 = - 40 /9 + 45/9
(32 - 27)/9 = ( - 40 + 45)/9
5/9 = 5/9
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