-2=-4*5+x

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Solution for -2=-4*5+x equation:


Simplifying
-2 = -4 * 5 + x

Multiply -4 * 5
-2 = -20 + x

Solving
-2 = -20 + 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.
-2 + -1x = -20 + x + -1x

Combine like terms: x + -1x = 0
-2 + -1x = -20 + 0
-2 + -1x = -20

Add '2' to each side of the equation.
-2 + 2 + -1x = -20 + 2

Combine like terms: -2 + 2 = 0
0 + -1x = -20 + 2
-1x = -20 + 2

Combine like terms: -20 + 2 = -18
-1x = -18

Divide each side by '-1'.
x = 18

Simplifying
x = 18

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