7(5x+3)=21

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Solution for 7(5x+3)=21 equation: 


Simplifying
7(5x + 3) = 21

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

Add '-21' to each side of the equation.
21 + -21 + 35x = 21 + -21

Combine like terms: 21 + -21 = 0
0 + 35x = 21 + -21
35x = 21 + -21

Combine like terms: 21 + -21 = 0
35x = 0

Solving
35x = 0

Solving for variable 'x'.

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

Divide each side by '35'.
x = 0

Simplifying
x = 0

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