8x-28+x=400

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Solution for 8x-28+x=400 equation:


Simplifying
8x + -28 + x = 400

Reorder the terms:
-28 + 8x + x = 400

Combine like terms: 8x + x = 9x
-28 + 9x = 400

Solving
-28 + 9x = 400

Solving for variable 'x'.

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

Add '28' to each side of the equation.
-28 + 28 + 9x = 400 + 28

Combine like terms: -28 + 28 = 0
0 + 9x = 400 + 28
9x = 400 + 28

Combine like terms: 400 + 28 = 428
9x = 428

Divide each side by '9'.
x = 47.55555556

Simplifying
x = 47.55555556

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