3x+7(2-x)=4

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Solution for 3x+7(2-x)=4 equation:


Simplifying
3x + 7(2 + -1x) = 4
3x + (2 * 7 + -1x * 7) = 4
3x + (14 + -7x) = 4

Reorder the terms:
14 + 3x + -7x = 4

Combine like terms: 3x + -7x = -4x
14 + -4x = 4

Solving
14 + -4x = 4

Solving for variable 'x'.

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

Add '-14' to each side of the equation.
14 + -14 + -4x = 4 + -14

Combine like terms: 14 + -14 = 0
0 + -4x = 4 + -14
-4x = 4 + -14

Combine like terms: 4 + -14 = -10
-4x = -10

Divide each side by '-4'.
x = 2.5

Simplifying
x = 2.5

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