2x+300=-8x-400

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Solution for 2x+300=-8x-400 equation: 


Simplifying
2x + 300 = -8x + -400

Reorder the terms:
300 + 2x = -8x + -400

Reorder the terms:
300 + 2x = -400 + -8x

Solving
300 + 2x = -400 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
300 + 2x + 8x = -400 + -8x + 8x

Combine like terms: 2x + 8x = 10x
300 + 10x = -400 + -8x + 8x

Combine like terms: -8x + 8x = 0
300 + 10x = -400 + 0
300 + 10x = -400

Add '-300' to each side of the equation.
300 + -300 + 10x = -400 + -300

Combine like terms: 300 + -300 = 0
0 + 10x = -400 + -300
10x = -400 + -300

Combine like terms: -400 + -300 = -700
10x = -700

Divide each side by '10'.
x = -70

Simplifying
x = -70

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