3(x+8)-3(4x-7)=13

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Solution for 3(x+8)-3(4x-7)=13 equation:


Simplifying
3(x + 8) + -3(4x + -7) = 13

Reorder the terms:
3(8 + x) + -3(4x + -7) = 13
(8 * 3 + x * 3) + -3(4x + -7) = 13
(24 + 3x) + -3(4x + -7) = 13

Reorder the terms:
24 + 3x + -3(-7 + 4x) = 13
24 + 3x + (-7 * -3 + 4x * -3) = 13
24 + 3x + (21 + -12x) = 13

Reorder the terms:
24 + 21 + 3x + -12x = 13

Combine like terms: 24 + 21 = 45
45 + 3x + -12x = 13

Combine like terms: 3x + -12x = -9x
45 + -9x = 13

Solving
45 + -9x = 13

Solving for variable 'x'.

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

Add '-45' to each side of the equation.
45 + -45 + -9x = 13 + -45

Combine like terms: 45 + -45 = 0
0 + -9x = 13 + -45
-9x = 13 + -45

Combine like terms: 13 + -45 = -32
-9x = -32

Divide each side by '-9'.
x = 3.555555556

Simplifying
x = 3.555555556

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