3(4-x)=4+7x

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


Simplifying
3(4 + -1x) = 4 + 7x
(4 * 3 + -1x * 3) = 4 + 7x
(12 + -3x) = 4 + 7x

Solving
12 + -3x = 4 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
12 + -3x + -7x = 4 + 7x + -7x

Combine like terms: -3x + -7x = -10x
12 + -10x = 4 + 7x + -7x

Combine like terms: 7x + -7x = 0
12 + -10x = 4 + 0
12 + -10x = 4

Add '-12' to each side of the equation.
12 + -12 + -10x = 4 + -12

Combine like terms: 12 + -12 = 0
0 + -10x = 4 + -12
-10x = 4 + -12

Combine like terms: 4 + -12 = -8
-10x = -8

Divide each side by '-10'.
x = 0.8

Simplifying
x = 0.8

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