7x*3+19-3x=55

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Solution for 7x*3+19-3x=55 equation:


Simplifying
7x * 3 + 19 + -3x = 55

Reorder the terms for easier multiplication:
7 * 3x + 19 + -3x = 55

Multiply 7 * 3
21x + 19 + -3x = 55

Reorder the terms:
19 + 21x + -3x = 55

Combine like terms: 21x + -3x = 18x
19 + 18x = 55

Solving
19 + 18x = 55

Solving for variable 'x'.

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

Add '-19' to each side of the equation.
19 + -19 + 18x = 55 + -19

Combine like terms: 19 + -19 = 0
0 + 18x = 55 + -19
18x = 55 + -19

Combine like terms: 55 + -19 = 36
18x = 36

Divide each side by '18'.
x = 2

Simplifying
x = 2

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