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

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


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

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

Reorder the terms:
24 + 3x + -4(-7 + 7x) = 13
24 + 3x + (-7 * -4 + 7x * -4) = 13
24 + 3x + (28 + -28x) = 13

Reorder the terms:
24 + 28 + 3x + -28x = 13

Combine like terms: 24 + 28 = 52
52 + 3x + -28x = 13

Combine like terms: 3x + -28x = -25x
52 + -25x = 13

Solving
52 + -25x = 13

Solving for variable 'x'.

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

Add '-52' to each side of the equation.
52 + -52 + -25x = 13 + -52

Combine like terms: 52 + -52 = 0
0 + -25x = 13 + -52
-25x = 13 + -52

Combine like terms: 13 + -52 = -39
-25x = -39

Divide each side by '-25'.
x = 1.56

Simplifying
x = 1.56

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