0.15x+0.06(7000-x)=690

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Solution for 0.15x+0.06(7000-x)=690 equation:


Simplifying
0.15x + 0.06(7000 + -1x) = 690
0.15x + (7000 * 0.06 + -1x * 0.06) = 690
0.15x + (420 + -0.06x) = 690

Reorder the terms:
420 + 0.15x + -0.06x = 690

Combine like terms: 0.15x + -0.06x = 0.09x
420 + 0.09x = 690

Solving
420 + 0.09x = 690

Solving for variable 'x'.

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

Add '-420' to each side of the equation.
420 + -420 + 0.09x = 690 + -420

Combine like terms: 420 + -420 = 0
0 + 0.09x = 690 + -420
0.09x = 690 + -420

Combine like terms: 690 + -420 = 270
0.09x = 270

Divide each side by '0.09'.
x = 3000

Simplifying
x = 3000

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