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4x+28=40+7\left(x-8\right)
Multiply both sides of the equation by 56, the least common multiple of 14,2,7,8.
4x+28=40+7x-56
Use the distributive property to multiply 7 by x-8.
4x+28=-16+7x
Subtract 56 from 40 to get -16.
4x+28-7x=-16
Subtract 7x from both sides.
-3x+28=-16
Combine 4x and -7x to get -3x.
-3x=-16-28
Subtract 28 from both sides.
-3x=-44
Subtract 28 from -16 to get -44.
x=\frac{-44}{-3}
Divide both sides by -3.
x=\frac{44}{3}
Fraction \frac{-44}{-3} can be simplified to \frac{44}{3} by removing the negative sign from both the numerator and the denominator.