12X+(300-x)=4140

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Solution for 12X+(300-x)=4140 equation:


Simplifying
12X + (300 + -1x) = 4140

Remove parenthesis around (300 + -1x)
12X + 300 + -1x = 4140

Reorder the terms:
300 + 12X + -1x = 4140

Solving
300 + 12X + -1x = 4140

Solving for variable 'X'.

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

Add '-300' to each side of the equation.
300 + 12X + -300 + -1x = 4140 + -300

Reorder the terms:
300 + -300 + 12X + -1x = 4140 + -300

Combine like terms: 300 + -300 = 0
0 + 12X + -1x = 4140 + -300
12X + -1x = 4140 + -300

Combine like terms: 4140 + -300 = 3840
12X + -1x = 3840

Add 'x' to each side of the equation.
12X + -1x + x = 3840 + x

Combine like terms: -1x + x = 0
12X + 0 = 3840 + x
12X = 3840 + x

Divide each side by '12'.
X = 320 + 0.08333333333x

Simplifying
X = 320 + 0.08333333333x

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