7(3x+21)+6(x+53)=546

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Solution for 7(3x+21)+6(x+53)=546 equation:


Simplifying
7(3x + 21) + 6(x + 53) = 546

Reorder the terms:
7(21 + 3x) + 6(x + 53) = 546
(21 * 7 + 3x * 7) + 6(x + 53) = 546
(147 + 21x) + 6(x + 53) = 546

Reorder the terms:
147 + 21x + 6(53 + x) = 546
147 + 21x + (53 * 6 + x * 6) = 546
147 + 21x + (318 + 6x) = 546

Reorder the terms:
147 + 318 + 21x + 6x = 546

Combine like terms: 147 + 318 = 465
465 + 21x + 6x = 546

Combine like terms: 21x + 6x = 27x
465 + 27x = 546

Solving
465 + 27x = 546

Solving for variable 'x'.

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

Add '-465' to each side of the equation.
465 + -465 + 27x = 546 + -465

Combine like terms: 465 + -465 = 0
0 + 27x = 546 + -465
27x = 546 + -465

Combine like terms: 546 + -465 = 81
27x = 81

Divide each side by '27'.
x = 3

Simplifying
x = 3

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