2x(x+5)-11=2x^2+7x+7

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Solution for 2x(x+5)-11=2x^2+7x+7 equation:


Simplifying
2x(x + 5) + -11 = 2x2 + 7x + 7

Reorder the terms:
2x(5 + x) + -11 = 2x2 + 7x + 7
(5 * 2x + x * 2x) + -11 = 2x2 + 7x + 7
(10x + 2x2) + -11 = 2x2 + 7x + 7

Reorder the terms:
-11 + 10x + 2x2 = 2x2 + 7x + 7

Reorder the terms:
-11 + 10x + 2x2 = 7 + 7x + 2x2

Add '-2x2' to each side of the equation.
-11 + 10x + 2x2 + -2x2 = 7 + 7x + 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-11 + 10x + 0 = 7 + 7x + 2x2 + -2x2
-11 + 10x = 7 + 7x + 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-11 + 10x = 7 + 7x + 0
-11 + 10x = 7 + 7x

Solving
-11 + 10x = 7 + 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.
-11 + 10x + -7x = 7 + 7x + -7x

Combine like terms: 10x + -7x = 3x
-11 + 3x = 7 + 7x + -7x

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

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

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

Combine like terms: 7 + 11 = 18
3x = 18

Divide each side by '3'.
x = 6

Simplifying
x = 6

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