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

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


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

Reorder the terms:
3x + 4(-7 + -3x) = 13
3x + (-7 * 4 + -3x * 4) = 13
3x + (-28 + -12x) = 13

Reorder the terms:
-28 + 3x + -12x = 13

Combine like terms: 3x + -12x = -9x
-28 + -9x = 13

Solving
-28 + -9x = 13

Solving for variable 'x'.

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

Add '28' to each side of the equation.
-28 + 28 + -9x = 13 + 28

Combine like terms: -28 + 28 = 0
0 + -9x = 13 + 28
-9x = 13 + 28

Combine like terms: 13 + 28 = 41
-9x = 41

Divide each side by '-9'.
x = -4.555555556

Simplifying
x = -4.555555556

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