(7x-3)-(4x+2)=13

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Solution for (7x-3)-(4x+2)=13 equation:


Simplifying
(7x + -3) + -1(4x + 2) = 13

Reorder the terms:
(-3 + 7x) + -1(4x + 2) = 13

Remove parenthesis around (-3 + 7x)
-3 + 7x + -1(4x + 2) = 13

Reorder the terms:
-3 + 7x + -1(2 + 4x) = 13
-3 + 7x + (2 * -1 + 4x * -1) = 13
-3 + 7x + (-2 + -4x) = 13

Reorder the terms:
-3 + -2 + 7x + -4x = 13

Combine like terms: -3 + -2 = -5
-5 + 7x + -4x = 13

Combine like terms: 7x + -4x = 3x
-5 + 3x = 13

Solving
-5 + 3x = 13

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + 3x = 13 + 5

Combine like terms: -5 + 5 = 0
0 + 3x = 13 + 5
3x = 13 + 5

Combine like terms: 13 + 5 = 18
3x = 18

Divide each side by '3'.
x = 6

Simplifying
x = 6

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