1.50+3.50(400-x)=900

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Solution for 1.50+3.50(400-x)=900 equation:


Simplifying
1.50 + 3.50(400 + -1x) = 900
1.50 + (400 * 3.50 + -1x * 3.50) = 900
1.50 + (1400 + -3.5x) = 900

Combine like terms: 1.50 + 1400 = 1401.5
1401.5 + -3.5x = 900

Solving
1401.5 + -3.5x = 900

Solving for variable 'x'.

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

Add '-1401.5' to each side of the equation.
1401.5 + -1401.5 + -3.5x = 900 + -1401.5

Combine like terms: 1401.5 + -1401.5 = 0.0
0.0 + -3.5x = 900 + -1401.5
-3.5x = 900 + -1401.5

Combine like terms: 900 + -1401.5 = -501.5
-3.5x = -501.5

Divide each side by '-3.5'.
x = 143.2857143

Simplifying
x = 143.2857143

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