51-(4+x)=3(4+x)

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Solution for 51-(4+x)=3(4+x) equation: 


Simplifying
51 + -1(4 + x) = 3(4 + x)
51 + (4 * -1 + x * -1) = 3(4 + x)
51 + (-4 + -1x) = 3(4 + x)

Combine like terms: 51 + -4 = 47
47 + -1x = 3(4 + x)
47 + -1x = (4 * 3 + x * 3)
47 + -1x = (12 + 3x)

Solving
47 + -1x = 12 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
47 + -1x + -3x = 12 + 3x + -3x

Combine like terms: -1x + -3x = -4x
47 + -4x = 12 + 3x + -3x

Combine like terms: 3x + -3x = 0
47 + -4x = 12 + 0
47 + -4x = 12

Add '-47' to each side of the equation.
47 + -47 + -4x = 12 + -47

Combine like terms: 47 + -47 = 0
0 + -4x = 12 + -47
-4x = 12 + -47

Combine like terms: 12 + -47 = -35
-4x = -35

Divide each side by '-4'.
x = 8.75

Simplifying
x = 8.75

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