7(z-3)+8z-4=

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


Simplifying
7(z + -3) + 8z + -4 = 0

Reorder the terms:
7(-3 + z) + 8z + -4 = 0
(-3 * 7 + z * 7) + 8z + -4 = 0
(-21 + 7z) + 8z + -4 = 0

Reorder the terms:
-21 + -4 + 7z + 8z = 0

Combine like terms: -21 + -4 = -25
-25 + 7z + 8z = 0

Combine like terms: 7z + 8z = 15z
-25 + 15z = 0

Solving
-25 + 15z = 0

Solving for variable 'z'.

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

Add '25' to each side of the equation.
-25 + 25 + 15z = 0 + 25

Combine like terms: -25 + 25 = 0
0 + 15z = 0 + 25
15z = 0 + 25

Combine like terms: 0 + 25 = 25
15z = 25

Divide each side by '15'.
z = 1.666666667

Simplifying
z = 1.666666667

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