6u-40=4(u-7)

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Solution for 6u-40=4(u-7) equation:


Simplifying
6u + -40 = 4(u + -7)

Reorder the terms:
-40 + 6u = 4(u + -7)

Reorder the terms:
-40 + 6u = 4(-7 + u)
-40 + 6u = (-7 * 4 + u * 4)
-40 + 6u = (-28 + 4u)

Solving
-40 + 6u = -28 + 4u

Solving for variable 'u'.

Move all terms containing u to the left, all other terms to the right.

Add '-4u' to each side of the equation.
-40 + 6u + -4u = -28 + 4u + -4u

Combine like terms: 6u + -4u = 2u
-40 + 2u = -28 + 4u + -4u

Combine like terms: 4u + -4u = 0
-40 + 2u = -28 + 0
-40 + 2u = -28

Add '40' to each side of the equation.
-40 + 40 + 2u = -28 + 40

Combine like terms: -40 + 40 = 0
0 + 2u = -28 + 40
2u = -28 + 40

Combine like terms: -28 + 40 = 12
2u = 12

Divide each side by '2'.
u = 6

Simplifying
u = 6

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