-4(4)-5(9)=x

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Solution for -4(4)-5(9)=x equation:


Simplifying
-4(4) + -5(9) = x

Multiply -4 * 4
-16 + -5(9) = x

Multiply -5 * 9
-16 + -45 = x

Combine like terms: -16 + -45 = -61
-61 = x

Solving
-61 = 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.
-61 + -1x = x + -1x

Combine like terms: x + -1x = 0
-61 + -1x = 0

Add '61' to each side of the equation.
-61 + 61 + -1x = 0 + 61

Combine like terms: -61 + 61 = 0
0 + -1x = 0 + 61
-1x = 0 + 61

Combine like terms: 0 + 61 = 61
-1x = 61

Divide each side by '-1'.
x = -61

Simplifying
x = -61

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