21(x+11)=25(x+7)

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Solution for 21(x+11)=25(x+7) equation:


Simplifying
21(x + 11) = 25(x + 7)

Reorder the terms:
21(11 + x) = 25(x + 7)
(11 * 21 + x * 21) = 25(x + 7)
(231 + 21x) = 25(x + 7)

Reorder the terms:
231 + 21x = 25(7 + x)
231 + 21x = (7 * 25 + x * 25)
231 + 21x = (175 + 25x)

Solving
231 + 21x = 175 + 25x

Solving for variable 'x'.

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

Add '-25x' to each side of the equation.
231 + 21x + -25x = 175 + 25x + -25x

Combine like terms: 21x + -25x = -4x
231 + -4x = 175 + 25x + -25x

Combine like terms: 25x + -25x = 0
231 + -4x = 175 + 0
231 + -4x = 175

Add '-231' to each side of the equation.
231 + -231 + -4x = 175 + -231

Combine like terms: 231 + -231 = 0
0 + -4x = 175 + -231
-4x = 175 + -231

Combine like terms: 175 + -231 = -56
-4x = -56

Divide each side by '-4'.
x = 14

Simplifying
x = 14

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