4u-7=9(u-3)

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Solution for 4u-7=9(u-3) equation:


Simplifying
4u + -7 = 9(u + -3)

Reorder the terms:
-7 + 4u = 9(u + -3)

Reorder the terms:
-7 + 4u = 9(-3 + u)
-7 + 4u = (-3 * 9 + u * 9)
-7 + 4u = (-27 + 9u)

Solving
-7 + 4u = -27 + 9u

Solving for variable 'u'.

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

Add '-9u' to each side of the equation.
-7 + 4u + -9u = -27 + 9u + -9u

Combine like terms: 4u + -9u = -5u
-7 + -5u = -27 + 9u + -9u

Combine like terms: 9u + -9u = 0
-7 + -5u = -27 + 0
-7 + -5u = -27

Add '7' to each side of the equation.
-7 + 7 + -5u = -27 + 7

Combine like terms: -7 + 7 = 0
0 + -5u = -27 + 7
-5u = -27 + 7

Combine like terms: -27 + 7 = -20
-5u = -20

Divide each side by '-5'.
u = 4

Simplifying
u = 4

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