(2x-3)(x+7)=3+x(2x+7)

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Solution for (2x-3)(x+7)=3+x(2x+7) equation:


Simplifying
(2x + -3)(x + 7) = 3 + x(2x + 7)

Reorder the terms:
(-3 + 2x)(x + 7) = 3 + x(2x + 7)

Reorder the terms:
(-3 + 2x)(7 + x) = 3 + x(2x + 7)

Multiply (-3 + 2x) * (7 + x)
(-3(7 + x) + 2x * (7 + x)) = 3 + x(2x + 7)
((7 * -3 + x * -3) + 2x * (7 + x)) = 3 + x(2x + 7)
((-21 + -3x) + 2x * (7 + x)) = 3 + x(2x + 7)
(-21 + -3x + (7 * 2x + x * 2x)) = 3 + x(2x + 7)
(-21 + -3x + (14x + 2x2)) = 3 + x(2x + 7)

Combine like terms: -3x + 14x = 11x
(-21 + 11x + 2x2) = 3 + x(2x + 7)

Reorder the terms:
-21 + 11x + 2x2 = 3 + x(7 + 2x)
-21 + 11x + 2x2 = 3 + (7 * x + 2x * x)
-21 + 11x + 2x2 = 3 + (7x + 2x2)

Add '-2x2' to each side of the equation.
-21 + 11x + 2x2 + -2x2 = 3 + 7x + 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-21 + 11x + 0 = 3 + 7x + 2x2 + -2x2
-21 + 11x = 3 + 7x + 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-21 + 11x = 3 + 7x + 0
-21 + 11x = 3 + 7x

Solving
-21 + 11x = 3 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-21 + 11x + -7x = 3 + 7x + -7x

Combine like terms: 11x + -7x = 4x
-21 + 4x = 3 + 7x + -7x

Combine like terms: 7x + -7x = 0
-21 + 4x = 3 + 0
-21 + 4x = 3

Add '21' to each side of the equation.
-21 + 21 + 4x = 3 + 21

Combine like terms: -21 + 21 = 0
0 + 4x = 3 + 21
4x = 3 + 21

Combine like terms: 3 + 21 = 24
4x = 24

Divide each side by '4'.
x = 6

Simplifying
x = 6

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