30-(2x-1)=4

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Solution for 30-(2x-1)=4 equation:


Simplifying
30 + -1(2x + -1) = 4

Reorder the terms:
30 + -1(-1 + 2x) = 4
30 + (-1 * -1 + 2x * -1) = 4
30 + (1 + -2x) = 4

Combine like terms: 30 + 1 = 31
31 + -2x = 4

Solving
31 + -2x = 4

Solving for variable 'x'.

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

Add '-31' to each side of the equation.
31 + -31 + -2x = 4 + -31

Combine like terms: 31 + -31 = 0
0 + -2x = 4 + -31
-2x = 4 + -31

Combine like terms: 4 + -31 = -27
-2x = -27

Divide each side by '-2'.
x = 13.5

Simplifying
x = 13.5

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