3(x+7)=7z-15

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


Simplifying
3(x + 7) = 7z + -15

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

Reorder the terms:
21 + 3x = -15 + 7z

Solving
21 + 3x = -15 + 7z

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 3x = -15 + -21 + 7z

Combine like terms: 21 + -21 = 0
0 + 3x = -15 + -21 + 7z
3x = -15 + -21 + 7z

Combine like terms: -15 + -21 = -36
3x = -36 + 7z

Divide each side by '3'.
x = -12 + 2.333333333z

Simplifying
x = -12 + 2.333333333z

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