3x+2(x+400)=2900

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Solution for 3x+2(x+400)=2900 equation:


Simplifying
3x + 2(x + 400) = 2900

Reorder the terms:
3x + 2(400 + x) = 2900
3x + (400 * 2 + x * 2) = 2900
3x + (800 + 2x) = 2900

Reorder the terms:
800 + 3x + 2x = 2900

Combine like terms: 3x + 2x = 5x
800 + 5x = 2900

Solving
800 + 5x = 2900

Solving for variable 'x'.

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

Add '-800' to each side of the equation.
800 + -800 + 5x = 2900 + -800

Combine like terms: 800 + -800 = 0
0 + 5x = 2900 + -800
5x = 2900 + -800

Combine like terms: 2900 + -800 = 2100
5x = 2100

Divide each side by '5'.
x = 420

Simplifying
x = 420

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