-7(-8-10)=-21(-32-9x)

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Solution for -7(-8-10)=-21(-32-9x) equation: 


Simplifying
-7(-8 + -10) = -21(-32 + -9x)

Combine like terms: -8 + -10 = -18
-7(-18) = -21(-32 + -9x)

Multiply -7 * -18
126 = -21(-32 + -9x)
126 = (-32 * -21 + -9x * -21)
126 = (672 + 189x)

Solving
126 = 672 + 189x

Solving for variable 'x'.

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

Add '-189x' to each side of the equation.
126 + -189x = 672 + 189x + -189x

Combine like terms: 189x + -189x = 0
126 + -189x = 672 + 0
126 + -189x = 672

Add '-126' to each side of the equation.
126 + -126 + -189x = 672 + -126

Combine like terms: 126 + -126 = 0
0 + -189x = 672 + -126
-189x = 672 + -126

Combine like terms: 672 + -126 = 546
-189x = 546

Divide each side by '-189'.
x = -2.888888889

Simplifying
x = -2.888888889

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