2x-3=78-7x

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Solution for 2x-3=78-7x equation:


Simplifying
2x + -3 = 78 + -7x

Reorder the terms:
-3 + 2x = 78 + -7x

Solving
-3 + 2x = 78 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
-3 + 2x + 7x = 78 + -7x + 7x

Combine like terms: 2x + 7x = 9x
-3 + 9x = 78 + -7x + 7x

Combine like terms: -7x + 7x = 0
-3 + 9x = 78 + 0
-3 + 9x = 78

Add '3' to each side of the equation.
-3 + 3 + 9x = 78 + 3

Combine like terms: -3 + 3 = 0
0 + 9x = 78 + 3
9x = 78 + 3

Combine like terms: 78 + 3 = 81
9x = 81

Divide each side by '9'.
x = 9

Simplifying
x = 9

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