7x+5=100(x-7)-3x

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Solution for 7x+5=100(x-7)-3x equation:


Simplifying
7x + 5 = 100(x + -7) + -3x

Reorder the terms:
5 + 7x = 100(x + -7) + -3x

Reorder the terms:
5 + 7x = 100(-7 + x) + -3x
5 + 7x = (-7 * 100 + x * 100) + -3x
5 + 7x = (-700 + 100x) + -3x

Combine like terms: 100x + -3x = 97x
5 + 7x = -700 + 97x

Solving
5 + 7x = -700 + 97x

Solving for variable 'x'.

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

Add '-97x' to each side of the equation.
5 + 7x + -97x = -700 + 97x + -97x

Combine like terms: 7x + -97x = -90x
5 + -90x = -700 + 97x + -97x

Combine like terms: 97x + -97x = 0
5 + -90x = -700 + 0
5 + -90x = -700

Add '-5' to each side of the equation.
5 + -5 + -90x = -700 + -5

Combine like terms: 5 + -5 = 0
0 + -90x = -700 + -5
-90x = -700 + -5

Combine like terms: -700 + -5 = -705
-90x = -705

Divide each side by '-90'.
x = 7.833333333

Simplifying
x = 7.833333333

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