840+.1x=(6000+x)(.12)

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Solution for 840+.1x=(6000+x)(.12) equation:


Simplifying
840 + 0.1x = (6000 + x)(0.12)

Reorder the terms for easier multiplication:
840 + 0.1x = 0.12(6000 + x)
840 + 0.1x = (6000 * 0.12 + x * 0.12)
840 + 0.1x = (720 + 0.12x)

Solving
840 + 0.1x = 720 + 0.12x

Solving for variable 'x'.

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

Add '-0.12x' to each side of the equation.
840 + 0.1x + -0.12x = 720 + 0.12x + -0.12x

Combine like terms: 0.1x + -0.12x = -0.02x
840 + -0.02x = 720 + 0.12x + -0.12x

Combine like terms: 0.12x + -0.12x = 0.00
840 + -0.02x = 720 + 0.00
840 + -0.02x = 720

Add '-840' to each side of the equation.
840 + -840 + -0.02x = 720 + -840

Combine like terms: 840 + -840 = 0
0 + -0.02x = 720 + -840
-0.02x = 720 + -840

Combine like terms: 720 + -840 = -120
-0.02x = -120

Divide each side by '-0.02'.
x = 6000

Simplifying
x = 6000

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