7x-4(x+5)=16

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Solution for 7x-4(x+5)=16 equation:


Simplifying
7x + -4(x + 5) = 16

Reorder the terms:
7x + -4(5 + x) = 16
7x + (5 * -4 + x * -4) = 16
7x + (-20 + -4x) = 16

Reorder the terms:
-20 + 7x + -4x = 16

Combine like terms: 7x + -4x = 3x
-20 + 3x = 16

Solving
-20 + 3x = 16

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + 3x = 16 + 20

Combine like terms: -20 + 20 = 0
0 + 3x = 16 + 20
3x = 16 + 20

Combine like terms: 16 + 20 = 36
3x = 36

Divide each side by '3'.
x = 12

Simplifying
x = 12

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