-3-9(z-2)=4(3z+3)+7

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Solution for -3-9(z-2)=4(3z+3)+7 equation:


Simplifying
-3 + -9(z + -2) = 4(3z + 3) + 7

Reorder the terms:
-3 + -9(-2 + z) = 4(3z + 3) + 7
-3 + (-2 * -9 + z * -9) = 4(3z + 3) + 7
-3 + (18 + -9z) = 4(3z + 3) + 7

Combine like terms: -3 + 18 = 15
15 + -9z = 4(3z + 3) + 7

Reorder the terms:
15 + -9z = 4(3 + 3z) + 7
15 + -9z = (3 * 4 + 3z * 4) + 7
15 + -9z = (12 + 12z) + 7

Reorder the terms:
15 + -9z = 12 + 7 + 12z

Combine like terms: 12 + 7 = 19
15 + -9z = 19 + 12z

Solving
15 + -9z = 19 + 12z

Solving for variable 'z'.

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

Add '-12z' to each side of the equation.
15 + -9z + -12z = 19 + 12z + -12z

Combine like terms: -9z + -12z = -21z
15 + -21z = 19 + 12z + -12z

Combine like terms: 12z + -12z = 0
15 + -21z = 19 + 0
15 + -21z = 19

Add '-15' to each side of the equation.
15 + -15 + -21z = 19 + -15

Combine like terms: 15 + -15 = 0
0 + -21z = 19 + -15
-21z = 19 + -15

Combine like terms: 19 + -15 = 4
-21z = 4

Divide each side by '-21'.
z = -0.1904761905

Simplifying
z = -0.1904761905

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