2x-4=7-8

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Solution for 2x-4=7-8 equation: 


Simplifying
2x + -4 = 7 + -8

Reorder the terms:
-4 + 2x = 7 + -8

Combine like terms: 7 + -8 = -1
-4 + 2x = -1

Solving
-4 + 2x = -1

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + 2x = -1 + 4

Combine like terms: -4 + 4 = 0
0 + 2x = -1 + 4
2x = -1 + 4

Combine like terms: -1 + 4 = 3
2x = 3

Divide each side by '2'.
x = 1.5

Simplifying
x = 1.5

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