-7(x+3)-15=21+6

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Solution for -7(x+3)-15=21+6 equation: 


Simplifying
-7(x + 3) + -15 = 21 + 6

Reorder the terms:
-7(3 + x) + -15 = 21 + 6
(3 * -7 + x * -7) + -15 = 21 + 6
(-21 + -7x) + -15 = 21 + 6

Reorder the terms:
-21 + -15 + -7x = 21 + 6

Combine like terms: -21 + -15 = -36
-36 + -7x = 21 + 6

Combine like terms: 21 + 6 = 27
-36 + -7x = 27

Solving
-36 + -7x = 27

Solving for variable 'x'.

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

Add '36' to each side of the equation.
-36 + 36 + -7x = 27 + 36

Combine like terms: -36 + 36 = 0
0 + -7x = 27 + 36
-7x = 27 + 36

Combine like terms: 27 + 36 = 63
-7x = 63

Divide each side by '-7'.
x = -9

Simplifying
x = -9

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