7(3x+5)-1=55

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Solution for 7(3x+5)-1=55 equation:


Simplifying
7(3x + 5) + -1 = 55

Reorder the terms:
7(5 + 3x) + -1 = 55
(5 * 7 + 3x * 7) + -1 = 55
(35 + 21x) + -1 = 55

Reorder the terms:
35 + -1 + 21x = 55

Combine like terms: 35 + -1 = 34
34 + 21x = 55

Solving
34 + 21x = 55

Solving for variable 'x'.

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

Add '-34' to each side of the equation.
34 + -34 + 21x = 55 + -34

Combine like terms: 34 + -34 = 0
0 + 21x = 55 + -34
21x = 55 + -34

Combine like terms: 55 + -34 = 21
21x = 21

Divide each side by '21'.
x = 1

Simplifying
x = 1

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