3x+100=-5x+900

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Solution for 3x+100=-5x+900 equation:


Simplifying
3x + 100 = -5x + 900

Reorder the terms:
100 + 3x = -5x + 900

Reorder the terms:
100 + 3x = 900 + -5x

Solving
100 + 3x = 900 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
100 + 3x + 5x = 900 + -5x + 5x

Combine like terms: 3x + 5x = 8x
100 + 8x = 900 + -5x + 5x

Combine like terms: -5x + 5x = 0
100 + 8x = 900 + 0
100 + 8x = 900

Add '-100' to each side of the equation.
100 + -100 + 8x = 900 + -100

Combine like terms: 100 + -100 = 0
0 + 8x = 900 + -100
8x = 900 + -100

Combine like terms: 900 + -100 = 800
8x = 800

Divide each side by '8'.
x = 100

Simplifying
x = 100

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