3x+4(x-4)=5

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Solution for 3x+4(x-4)=5 equation:


Simplifying
3x + 4(x + -4) = 5

Reorder the terms:
3x + 4(-4 + x) = 5
3x + (-4 * 4 + x * 4) = 5
3x + (-16 + 4x) = 5

Reorder the terms:
-16 + 3x + 4x = 5

Combine like terms: 3x + 4x = 7x
-16 + 7x = 5

Solving
-16 + 7x = 5

Solving for variable 'x'.

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

Add '16' to each side of the equation.
-16 + 16 + 7x = 5 + 16

Combine like terms: -16 + 16 = 0
0 + 7x = 5 + 16
7x = 5 + 16

Combine like terms: 5 + 16 = 21
7x = 21

Divide each side by '7'.
x = 3

Simplifying
x = 3

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