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

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


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

Reorder the terms:
3(-3 + z) + 7z + -3 = 0
(-3 * 3 + z * 3) + 7z + -3 = 0
(-9 + 3z) + 7z + -3 = 0

Reorder the terms:
-9 + -3 + 3z + 7z = 0

Combine like terms: -9 + -3 = -12
-12 + 3z + 7z = 0

Combine like terms: 3z + 7z = 10z
-12 + 10z = 0

Solving
-12 + 10z = 0

Solving for variable 'z'.

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

Add '12' to each side of the equation.
-12 + 12 + 10z = 0 + 12

Combine like terms: -12 + 12 = 0
0 + 10z = 0 + 12
10z = 0 + 12

Combine like terms: 0 + 12 = 12
10z = 12

Divide each side by '10'.
z = 1.2

Simplifying
z = 1.2

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