-189-21x=351-3x

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Solution for -189-21x=351-3x equation:


Simplifying
-189 + -21x = 351 + -3x

Solving
-189 + -21x = 351 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
-189 + -21x + 3x = 351 + -3x + 3x

Combine like terms: -21x + 3x = -18x
-189 + -18x = 351 + -3x + 3x

Combine like terms: -3x + 3x = 0
-189 + -18x = 351 + 0
-189 + -18x = 351

Add '189' to each side of the equation.
-189 + 189 + -18x = 351 + 189

Combine like terms: -189 + 189 = 0
0 + -18x = 351 + 189
-18x = 351 + 189

Combine like terms: 351 + 189 = 540
-18x = 540

Divide each side by '-18'.
x = -30

Simplifying
x = -30

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