x(.08)+(.06)(4000-x)=280

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Solution for x(.08)+(.06)(4000-x)=280 equation:


Simplifying
x(0.08) + (0.06)(4000 + -1x) = 280

Reorder the terms for easier multiplication:
0.08x + (0.06)(4000 + -1x) = 280
0.08x + (4000 * 0.06 + -1x * 0.06) = 280
0.08x + (240 + -0.06x) = 280

Reorder the terms:
240 + 0.08x + -0.06x = 280

Combine like terms: 0.08x + -0.06x = 0.02x
240 + 0.02x = 280

Solving
240 + 0.02x = 280

Solving for variable 'x'.

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

Add '-240' to each side of the equation.
240 + -240 + 0.02x = 280 + -240

Combine like terms: 240 + -240 = 0
0 + 0.02x = 280 + -240
0.02x = 280 + -240

Combine like terms: 280 + -240 = 40
0.02x = 40

Divide each side by '0.02'.
x = 2000

Simplifying
x = 2000

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