5-7(3x+4)=8

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Solution for 5-7(3x+4)=8 equation:


Simplifying
5 + -7(3x + 4) = 8

Reorder the terms:
5 + -7(4 + 3x) = 8
5 + (4 * -7 + 3x * -7) = 8
5 + (-28 + -21x) = 8

Combine like terms: 5 + -28 = -23
-23 + -21x = 8

Solving
-23 + -21x = 8

Solving for variable 'x'.

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

Add '23' to each side of the equation.
-23 + 23 + -21x = 8 + 23

Combine like terms: -23 + 23 = 0
0 + -21x = 8 + 23
-21x = 8 + 23

Combine like terms: 8 + 23 = 31
-21x = 31

Divide each side by '-21'.
x = -1.476190476

Simplifying
x = -1.476190476

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