(2z+7)(3)=4

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Solution for (2z+7)(3)=4 equation:


Simplifying
(2z + 7)(3) = 4

Reorder the terms:
(7 + 2z)(3) = 4

Reorder the terms for easier multiplication:
3(7 + 2z) = 4
(7 * 3 + 2z * 3) = 4
(21 + 6z) = 4

Solving
21 + 6z = 4

Solving for variable 'z'.

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

Add '-21' to each side of the equation.
21 + -21 + 6z = 4 + -21

Combine like terms: 21 + -21 = 0
0 + 6z = 4 + -21
6z = 4 + -21

Combine like terms: 4 + -21 = -17
6z = -17

Divide each side by '6'.
z = -2.833333333

Simplifying
z = -2.833333333

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