30(20x-100)=40(50x+100)

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Solution for 30(20x-100)=40(50x+100) equation:


Simplifying
30(20x + -100) = 40(50x + 100)

Reorder the terms:
30(-100 + 20x) = 40(50x + 100)
(-100 * 30 + 20x * 30) = 40(50x + 100)
(-3000 + 600x) = 40(50x + 100)

Reorder the terms:
-3000 + 600x = 40(100 + 50x)
-3000 + 600x = (100 * 40 + 50x * 40)
-3000 + 600x = (4000 + 2000x)

Solving
-3000 + 600x = 4000 + 2000x

Solving for variable 'x'.

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

Add '-2000x' to each side of the equation.
-3000 + 600x + -2000x = 4000 + 2000x + -2000x

Combine like terms: 600x + -2000x = -1400x
-3000 + -1400x = 4000 + 2000x + -2000x

Combine like terms: 2000x + -2000x = 0
-3000 + -1400x = 4000 + 0
-3000 + -1400x = 4000

Add '3000' to each side of the equation.
-3000 + 3000 + -1400x = 4000 + 3000

Combine like terms: -3000 + 3000 = 0
0 + -1400x = 4000 + 3000
-1400x = 4000 + 3000

Combine like terms: 4000 + 3000 = 7000
-1400x = 7000

Divide each side by '-1400'.
x = -5

Simplifying
x = -5

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