5(x-7)2-13(x-7)-6=0

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Solution for 5(x-7)2-13(x-7)-6=0 equation:


Simplifying
5(x + -7) * 2 + -13(x + -7) + -6 = 0

Reorder the terms:
5(-7 + x) * 2 + -13(x + -7) + -6 = 0

Reorder the terms for easier multiplication:
5 * 2(-7 + x) + -13(x + -7) + -6 = 0

Multiply 5 * 2
10(-7 + x) + -13(x + -7) + -6 = 0
(-7 * 10 + x * 10) + -13(x + -7) + -6 = 0
(-70 + 10x) + -13(x + -7) + -6 = 0

Reorder the terms:
-70 + 10x + -13(-7 + x) + -6 = 0
-70 + 10x + (-7 * -13 + x * -13) + -6 = 0
-70 + 10x + (91 + -13x) + -6 = 0

Reorder the terms:
-70 + 91 + -6 + 10x + -13x = 0

Combine like terms: -70 + 91 = 21
21 + -6 + 10x + -13x = 0

Combine like terms: 21 + -6 = 15
15 + 10x + -13x = 0

Combine like terms: 10x + -13x = -3x
15 + -3x = 0

Solving
15 + -3x = 0

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + -3x = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -3x = 0 + -15
-3x = 0 + -15

Combine like terms: 0 + -15 = -15
-3x = -15

Divide each side by '-3'.
x = 5

Simplifying
x = 5

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