2800=x(1+0.04*3)

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Solution for 2800=x(1+0.04*3) equation:


Simplifying
2800 = x(1 + 0.04 * 3)

Multiply 0.04 * 3
2800 = x(1 + 0.12)

Combine like terms: 1 + 0.12 = 1.12
2800 = x(1.12)

Reorder the terms for easier multiplication:
2800 = 1.12x

Solving
2800 = 1.12x

Solving for variable 'x'.

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

Add '-1.12x' to each side of the equation.
2800 + -1.12x = 1.12x + -1.12x

Combine like terms: 1.12x + -1.12x = 0.00
2800 + -1.12x = 0.00

Add '-2800' to each side of the equation.
2800 + -2800 + -1.12x = 0.00 + -2800

Combine like terms: 2800 + -2800 = 0
0 + -1.12x = 0.00 + -2800
-1.12x = 0.00 + -2800

Combine like terms: 0.00 + -2800 = -2800
-1.12x = -2800

Divide each side by '-1.12'.
x = 2500

Simplifying
x = 2500

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