(27)(27+x)=(21)(29+2x)

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Solution for (27)(27+x)=(21)(29+2x) equation:


Simplifying
(27)(27 + x) = (21)(29 + 2x)
(27 * 27 + x * 27) = (21)(29 + 2x)
(729 + 27x) = (21)(29 + 2x)
729 + 27x = (29 * 21 + 2x * 21)
729 + 27x = (609 + 42x)

Solving
729 + 27x = 609 + 42x

Solving for variable 'x'.

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

Add '-42x' to each side of the equation.
729 + 27x + -42x = 609 + 42x + -42x

Combine like terms: 27x + -42x = -15x
729 + -15x = 609 + 42x + -42x

Combine like terms: 42x + -42x = 0
729 + -15x = 609 + 0
729 + -15x = 609

Add '-729' to each side of the equation.
729 + -729 + -15x = 609 + -729

Combine like terms: 729 + -729 = 0
0 + -15x = 609 + -729
-15x = 609 + -729

Combine like terms: 609 + -729 = -120
-15x = -120

Divide each side by '-15'.
x = 8

Simplifying
x = 8

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