7(7u-8)=5(u-9)+385

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Solution for 7(7u-8)=5(u-9)+385 equation:


Simplifying
7(7u + -8) = 5(u + -9) + 385

Reorder the terms:
7(-8 + 7u) = 5(u + -9) + 385
(-8 * 7 + 7u * 7) = 5(u + -9) + 385
(-56 + 49u) = 5(u + -9) + 385

Reorder the terms:
-56 + 49u = 5(-9 + u) + 385
-56 + 49u = (-9 * 5 + u * 5) + 385
-56 + 49u = (-45 + 5u) + 385

Reorder the terms:
-56 + 49u = -45 + 385 + 5u

Combine like terms: -45 + 385 = 340
-56 + 49u = 340 + 5u

Solving
-56 + 49u = 340 + 5u

Solving for variable 'u'.

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

Add '-5u' to each side of the equation.
-56 + 49u + -5u = 340 + 5u + -5u

Combine like terms: 49u + -5u = 44u
-56 + 44u = 340 + 5u + -5u

Combine like terms: 5u + -5u = 0
-56 + 44u = 340 + 0
-56 + 44u = 340

Add '56' to each side of the equation.
-56 + 56 + 44u = 340 + 56

Combine like terms: -56 + 56 = 0
0 + 44u = 340 + 56
44u = 340 + 56

Combine like terms: 340 + 56 = 396
44u = 396

Divide each side by '44'.
u = 9

Simplifying
u = 9

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