-140-7X=6-21X

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Solution for -140-7X=6-21X equation:


Simplifying
-140 + -7X = 6 + -21X

Solving
-140 + -7X = 6 + -21X

Solving for variable 'X'.

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

Add '21X' to each side of the equation.
-140 + -7X + 21X = 6 + -21X + 21X

Combine like terms: -7X + 21X = 14X
-140 + 14X = 6 + -21X + 21X

Combine like terms: -21X + 21X = 0
-140 + 14X = 6 + 0
-140 + 14X = 6

Add '140' to each side of the equation.
-140 + 140 + 14X = 6 + 140

Combine like terms: -140 + 140 = 0
0 + 14X = 6 + 140
14X = 6 + 140

Combine like terms: 6 + 140 = 146
14X = 146

Divide each side by '14'.
X = 10.42857143

Simplifying
X = 10.42857143

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