2x+7(3x+1)=4-3[2x+(-5)+3(2x-5x+3)]

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Solution for 2x+7(3x+1)=4-3[2x+(-5)+3(2x-5x+3)] equation:


Simplifying
2x + 7(3x + 1) = 4 + -3[2x + (-5) + 3(2x + -5x + 3)]

Reorder the terms:
2x + 7(1 + 3x) = 4 + -3[2x + (-5) + 3(2x + -5x + 3)]
2x + (1 * 7 + 3x * 7) = 4 + -3[2x + (-5) + 3(2x + -5x + 3)]
2x + (7 + 21x) = 4 + -3[2x + (-5) + 3(2x + -5x + 3)]

Reorder the terms:
7 + 2x + 21x = 4 + -3[2x + (-5) + 3(2x + -5x + 3)]

Combine like terms: 2x + 21x = 23x
7 + 23x = 4 + -3[2x + (-5) + 3(2x + -5x + 3)]
7 + 23x = 4 + -3[2x + -5 + 3(2x + -5x + 3)]

Reorder the terms:
7 + 23x = 4 + -3[2x + -5 + 3(3 + 2x + -5x)]

Combine like terms: 2x + -5x = -3x
7 + 23x = 4 + -3[2x + -5 + 3(3 + -3x)]
7 + 23x = 4 + -3[2x + -5 + (3 * 3 + -3x * 3)]
7 + 23x = 4 + -3[2x + -5 + (9 + -9x)]

Reorder the terms:
7 + 23x = 4 + -3[-5 + 9 + 2x + -9x]

Combine like terms: -5 + 9 = 4
7 + 23x = 4 + -3[4 + 2x + -9x]

Combine like terms: 2x + -9x = -7x
7 + 23x = 4 + -3[4 + -7x]
7 + 23x = 4 + [4 * -3 + -7x * -3]
7 + 23x = 4 + [-12 + 21x]

Combine like terms: 4 + -12 = -8
7 + 23x = -8 + 21x

Solving
7 + 23x = -8 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
7 + 23x + -21x = -8 + 21x + -21x

Combine like terms: 23x + -21x = 2x
7 + 2x = -8 + 21x + -21x

Combine like terms: 21x + -21x = 0
7 + 2x = -8 + 0
7 + 2x = -8

Add '-7' to each side of the equation.
7 + -7 + 2x = -8 + -7

Combine like terms: 7 + -7 = 0
0 + 2x = -8 + -7
2x = -8 + -7

Combine like terms: -8 + -7 = -15
2x = -15

Divide each side by '2'.
x = -7.5

Simplifying
x = -7.5

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