3+x+4=2(9-x)

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Solution for 3+x+4=2(9-x) equation:


Simplifying
3 + x + 4 = 2(9 + -1x)

Reorder the terms:
3 + 4 + x = 2(9 + -1x)

Combine like terms: 3 + 4 = 7
7 + x = 2(9 + -1x)
7 + x = (9 * 2 + -1x * 2)
7 + x = (18 + -2x)

Solving
7 + x = 18 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
7 + x + 2x = 18 + -2x + 2x

Combine like terms: x + 2x = 3x
7 + 3x = 18 + -2x + 2x

Combine like terms: -2x + 2x = 0
7 + 3x = 18 + 0
7 + 3x = 18

Add '-7' to each side of the equation.
7 + -7 + 3x = 18 + -7

Combine like terms: 7 + -7 = 0
0 + 3x = 18 + -7
3x = 18 + -7

Combine like terms: 18 + -7 = 11
3x = 11

Divide each side by '3'.
x = 3.666666667

Simplifying
x = 3.666666667

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