15-09-2017
Mathematics

contestada

7+ax-5x=3+2x-bx

Solve for x

Respuesta :

diana790 diana790

15-09-2017

7 + ax - 5x = 3 + 2x - bx
ax + bx - 5x - 2x = 3 - 7
ax + bx - 7x = -4
x (a + b - 7) = -4
x = -4/(a + b - 7)

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