2(5z+6)-3(z+7)=

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Solution for 2(5z+6)-3(z+7)= equation:


Simplifying
2(5z + 6) + -3(z + 7) = 0

Reorder the terms:
2(6 + 5z) + -3(z + 7) = 0
(6 * 2 + 5z * 2) + -3(z + 7) = 0
(12 + 10z) + -3(z + 7) = 0

Reorder the terms:
12 + 10z + -3(7 + z) = 0
12 + 10z + (7 * -3 + z * -3) = 0
12 + 10z + (-21 + -3z) = 0

Reorder the terms:
12 + -21 + 10z + -3z = 0

Combine like terms: 12 + -21 = -9
-9 + 10z + -3z = 0

Combine like terms: 10z + -3z = 7z
-9 + 7z = 0

Solving
-9 + 7z = 0

Solving for variable 'z'.

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

Add '9' to each side of the equation.
-9 + 9 + 7z = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 7z = 0 + 9
7z = 0 + 9

Combine like terms: 0 + 9 = 9
7z = 9

Divide each side by '7'.
z = 1.285714286

Simplifying
z = 1.285714286

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