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

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


Simplifying
7(x + 3) + -1(2x + -4) = 0

Reorder the terms:
7(3 + x) + -1(2x + -4) = 0
(3 * 7 + x * 7) + -1(2x + -4) = 0
(21 + 7x) + -1(2x + -4) = 0

Reorder the terms:
21 + 7x + -1(-4 + 2x) = 0
21 + 7x + (-4 * -1 + 2x * -1) = 0
21 + 7x + (4 + -2x) = 0

Reorder the terms:
21 + 4 + 7x + -2x = 0

Combine like terms: 21 + 4 = 25
25 + 7x + -2x = 0

Combine like terms: 7x + -2x = 5x
25 + 5x = 0

Solving
25 + 5x = 0

Solving for variable 'x'.

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

Add '-25' to each side of the equation.
25 + -25 + 5x = 0 + -25

Combine like terms: 25 + -25 = 0
0 + 5x = 0 + -25
5x = 0 + -25

Combine like terms: 0 + -25 = -25
5x = -25

Divide each side by '5'.
x = -5

Simplifying
x = -5

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