43-20=x-4

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Solution for 43-20=x-4 equation:


Simplifying
43 + -20 = x + -4

Combine like terms: 43 + -20 = 23
23 = x + -4

Reorder the terms:
23 = -4 + x

Solving
23 = -4 + 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.
23 + -1x = -4 + x + -1x

Combine like terms: x + -1x = 0
23 + -1x = -4 + 0
23 + -1x = -4

Add '-23' to each side of the equation.
23 + -23 + -1x = -4 + -23

Combine like terms: 23 + -23 = 0
0 + -1x = -4 + -23
-1x = -4 + -23

Combine like terms: -4 + -23 = -27
-1x = -27

Divide each side by '-1'.
x = 27

Simplifying
x = 27

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