25x+10-4x-12=40

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Solution for 25x+10-4x-12=40 equation:


Simplifying
25x + 10 + -4x + -12 = 40

Reorder the terms:
10 + -12 + 25x + -4x = 40

Combine like terms: 10 + -12 = -2
-2 + 25x + -4x = 40

Combine like terms: 25x + -4x = 21x
-2 + 21x = 40

Solving
-2 + 21x = 40

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 21x = 40 + 2

Combine like terms: -2 + 2 = 0
0 + 21x = 40 + 2
21x = 40 + 2

Combine like terms: 40 + 2 = 42
21x = 42

Divide each side by '21'.
x = 2

Simplifying
x = 2

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