21x+7-25x=1-6

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Solution for 21x+7-25x=1-6 equation:


Simplifying
21x + 7 + -25x = 1 + -6

Reorder the terms:
7 + 21x + -25x = 1 + -6

Combine like terms: 21x + -25x = -4x
7 + -4x = 1 + -6

Combine like terms: 1 + -6 = -5
7 + -4x = -5

Solving
7 + -4x = -5

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + -4x = -5 + -7

Combine like terms: 7 + -7 = 0
0 + -4x = -5 + -7
-4x = -5 + -7

Combine like terms: -5 + -7 = -12
-4x = -12

Divide each side by '-4'.
x = 3

Simplifying
x = 3

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