30=3x+2(7-2x)

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Solution for 30=3x+2(7-2x) equation:


Simplifying
30 = 3x + 2(7 + -2x)
30 = 3x + (7 * 2 + -2x * 2)
30 = 3x + (14 + -4x)

Reorder the terms:
30 = 14 + 3x + -4x

Combine like terms: 3x + -4x = -1x
30 = 14 + -1x

Solving
30 = 14 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
30 + x = 14 + -1x + x

Combine like terms: -1x + x = 0
30 + x = 14 + 0
30 + x = 14

Add '-30' to each side of the equation.
30 + -30 + x = 14 + -30

Combine like terms: 30 + -30 = 0
0 + x = 14 + -30
x = 14 + -30

Combine like terms: 14 + -30 = -16
x = -16

Simplifying
x = -16

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