21x-7=1+19x

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Solution for 21x-7=1+19x equation:


Simplifying
21x + -7 = 1 + 19x

Reorder the terms:
-7 + 21x = 1 + 19x

Solving
-7 + 21x = 1 + 19x

Solving for variable 'x'.

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

Add '-19x' to each side of the equation.
-7 + 21x + -19x = 1 + 19x + -19x

Combine like terms: 21x + -19x = 2x
-7 + 2x = 1 + 19x + -19x

Combine like terms: 19x + -19x = 0
-7 + 2x = 1 + 0
-7 + 2x = 1

Add '7' to each side of the equation.
-7 + 7 + 2x = 1 + 7

Combine like terms: -7 + 7 = 0
0 + 2x = 1 + 7
2x = 1 + 7

Combine like terms: 1 + 7 = 8
2x = 8

Divide each side by '2'.
x = 4

Simplifying
x = 4

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