5(x+7)+(3x-1)=20

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Solution for 5(x+7)+(3x-1)=20 equation:


Simplifying
5(x + 7) + (3x + -1) = 20

Reorder the terms:
5(7 + x) + (3x + -1) = 20
(7 * 5 + x * 5) + (3x + -1) = 20
(35 + 5x) + (3x + -1) = 20

Reorder the terms:
35 + 5x + (-1 + 3x) = 20

Remove parenthesis around (-1 + 3x)
35 + 5x + -1 + 3x = 20

Reorder the terms:
35 + -1 + 5x + 3x = 20

Combine like terms: 35 + -1 = 34
34 + 5x + 3x = 20

Combine like terms: 5x + 3x = 8x
34 + 8x = 20

Solving
34 + 8x = 20

Solving for variable 'x'.

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

Add '-34' to each side of the equation.
34 + -34 + 8x = 20 + -34

Combine like terms: 34 + -34 = 0
0 + 8x = 20 + -34
8x = 20 + -34

Combine like terms: 20 + -34 = -14
8x = -14

Divide each side by '8'.
x = -1.75

Simplifying
x = -1.75

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