9*-21=x+45

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Solution for 9*-21=x+45 equation:


Simplifying
9 * -21 = x + 45

Multiply 9 * -21
-189 = x + 45

Reorder the terms:
-189 = 45 + x

Solving
-189 = 45 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-189 + -1x = 45 + x + -1x

Combine like terms: x + -1x = 0
-189 + -1x = 45 + 0
-189 + -1x = 45

Add '189' to each side of the equation.
-189 + 189 + -1x = 45 + 189

Combine like terms: -189 + 189 = 0
0 + -1x = 45 + 189
-1x = 45 + 189

Combine like terms: 45 + 189 = 234
-1x = 234

Divide each side by '-1'.
x = -234

Simplifying
x = -234

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