21x-19=3x+7

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Solution for 21x-19=3x+7 equation:


Simplifying
21x + -19 = 3x + 7

Reorder the terms:
-19 + 21x = 3x + 7

Reorder the terms:
-19 + 21x = 7 + 3x

Solving
-19 + 21x = 7 + 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.
-19 + 21x + -3x = 7 + 3x + -3x

Combine like terms: 21x + -3x = 18x
-19 + 18x = 7 + 3x + -3x

Combine like terms: 3x + -3x = 0
-19 + 18x = 7 + 0
-19 + 18x = 7

Add '19' to each side of the equation.
-19 + 19 + 18x = 7 + 19

Combine like terms: -19 + 19 = 0
0 + 18x = 7 + 19
18x = 7 + 19

Combine like terms: 7 + 19 = 26
18x = 26

Divide each side by '18'.
x = 1.444444444

Simplifying
x = 1.444444444

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