4x+12(x-3)=28

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Solution for 4x+12(x-3)=28 equation:


Simplifying
4x + 12(x + -3) = 28

Reorder the terms:
4x + 12(-3 + x) = 28
4x + (-3 * 12 + x * 12) = 28
4x + (-36 + 12x) = 28

Reorder the terms:
-36 + 4x + 12x = 28

Combine like terms: 4x + 12x = 16x
-36 + 16x = 28

Solving
-36 + 16x = 28

Solving for variable 'x'.

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

Add '36' to each side of the equation.
-36 + 36 + 16x = 28 + 36

Combine like terms: -36 + 36 = 0
0 + 16x = 28 + 36
16x = 28 + 36

Combine like terms: 28 + 36 = 64
16x = 64

Divide each side by '16'.
x = 4

Simplifying
x = 4

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