2x+7(x-4)=13+8

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Solution for 2x+7(x-4)=13+8 equation:


Simplifying
2x + 7(x + -4) = 13 + 8

Reorder the terms:
2x + 7(-4 + x) = 13 + 8
2x + (-4 * 7 + x * 7) = 13 + 8
2x + (-28 + 7x) = 13 + 8

Reorder the terms:
-28 + 2x + 7x = 13 + 8

Combine like terms: 2x + 7x = 9x
-28 + 9x = 13 + 8

Combine like terms: 13 + 8 = 21
-28 + 9x = 21

Solving
-28 + 9x = 21

Solving for variable 'x'.

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

Add '28' to each side of the equation.
-28 + 28 + 9x = 21 + 28

Combine like terms: -28 + 28 = 0
0 + 9x = 21 + 28
9x = 21 + 28

Combine like terms: 21 + 28 = 49
9x = 49

Divide each side by '9'.
x = 5.444444444

Simplifying
x = 5.444444444

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