9-(4(7)-8)=x

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Solution for 9-(4(7)-8)=x equation:


Simplifying
9 + -1(4(7) + -8) = x

Multiply 4 * 7
9 + -1(28 + -8) = x

Combine like terms: 28 + -8 = 20
9 + -1(20) = x

Multiply -1 * 20
9 + -20 = x

Combine like terms: 9 + -20 = -11
-11 = x

Solving
-11 = 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.
-11 + -1x = x + -1x

Combine like terms: x + -1x = 0
-11 + -1x = 0

Add '11' to each side of the equation.
-11 + 11 + -1x = 0 + 11

Combine like terms: -11 + 11 = 0
0 + -1x = 0 + 11
-1x = 0 + 11

Combine like terms: 0 + 11 = 11
-1x = 11

Divide each side by '-1'.
x = -11

Simplifying
x = -11

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