3(4)(-7)+3(4x)=25

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Solution for 3(4)(-7)+3(4x)=25 equation: 


Simplifying
3(4)(-7) + 3(4x) = 25

Multiply 3 * 4
12 * -7 + 3(4x) = 25

Multiply 12 * -7
-84 + 3(4x) = 25

Remove parenthesis around (4x)
-84 + 3 * 4x = 25

Multiply 3 * 4
-84 + 12x = 25

Solving
-84 + 12x = 25

Solving for variable 'x'.

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

Add '84' to each side of the equation.
-84 + 84 + 12x = 25 + 84

Combine like terms: -84 + 84 = 0
0 + 12x = 25 + 84
12x = 25 + 84

Combine like terms: 25 + 84 = 109
12x = 109

Divide each side by '12'.
x = 9.083333333

Simplifying
x = 9.083333333

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