1290=(0.02(x-3000))+(0.07x)

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Solution for 1290=(0.02(x-3000))+(0.07x) equation:


Simplifying
1290 = (0.02(x + -3000)) + (0.07x)

Reorder the terms:
1290 = (0.02(-3000 + x)) + (0.07x)
1290 = ((-3000 * 0.02 + x * 0.02)) + (0.07x)
1290 = ((-60 + 0.02x)) + (0.07x)
1290 = (-60 + 0.02x) + (0.07x)

Remove parenthesis around (-60 + 0.02x)
1290 = -60 + 0.02x + (0.07x)

Combine like terms: 0.02x + (0.07x) = 0.09x
1290 = -60 + 0.09x

Solving
1290 = -60 + 0.09x

Solving for variable 'x'.

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

Add '-0.09x' to each side of the equation.
1290 + -0.09x = -60 + 0.09x + -0.09x

Combine like terms: 0.09x + -0.09x = 0.00
1290 + -0.09x = -60 + 0.00
1290 + -0.09x = -60

Add '-1290' to each side of the equation.
1290 + -1290 + -0.09x = -60 + -1290

Combine like terms: 1290 + -1290 = 0
0 + -0.09x = -60 + -1290
-0.09x = -60 + -1290

Combine like terms: -60 + -1290 = -1350
-0.09x = -1350

Divide each side by '-0.09'.
x = 15000

Simplifying
x = 15000

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