25=7x+4-4x

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Solution for 25=7x+4-4x equation:


Simplifying
25 = 7x + 4 + -4x

Reorder the terms:
25 = 4 + 7x + -4x

Combine like terms: 7x + -4x = 3x
25 = 4 + 3x

Solving
25 = 4 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
25 + -3x = 4 + 3x + -3x

Combine like terms: 3x + -3x = 0
25 + -3x = 4 + 0
25 + -3x = 4

Add '-25' to each side of the equation.
25 + -25 + -3x = 4 + -25

Combine like terms: 25 + -25 = 0
0 + -3x = 4 + -25
-3x = 4 + -25

Combine like terms: 4 + -25 = -21
-3x = -21

Divide each side by '-3'.
x = 7

Simplifying
x = 7

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