-7(3x+4)+13=18

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Solution for -7(3x+4)+13=18 equation:


Simplifying
-7(3x + 4) + 13 = 18

Reorder the terms:
-7(4 + 3x) + 13 = 18
(4 * -7 + 3x * -7) + 13 = 18
(-28 + -21x) + 13 = 18

Reorder the terms:
-28 + 13 + -21x = 18

Combine like terms: -28 + 13 = -15
-15 + -21x = 18

Solving
-15 + -21x = 18

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + -21x = 18 + 15

Combine like terms: -15 + 15 = 0
0 + -21x = 18 + 15
-21x = 18 + 15

Combine like terms: 18 + 15 = 33
-21x = 33

Divide each side by '-21'.
x = -1.571428571

Simplifying
x = -1.571428571

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