(3x-9)*(7z+11)=

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Solution for (3x-9)*(7z+11)= equation:


Simplifying
(3x + -9)(7z + 11) = 0

Reorder the terms:
(-9 + 3x)(7z + 11) = 0

Reorder the terms:
(-9 + 3x)(11 + 7z) = 0

Multiply (-9 + 3x) * (11 + 7z)
(-9(11 + 7z) + 3x * (11 + 7z)) = 0
((11 * -9 + 7z * -9) + 3x * (11 + 7z)) = 0
((-99 + -63z) + 3x * (11 + 7z)) = 0
(-99 + -63z + (11 * 3x + 7z * 3x)) = 0
(-99 + -63z + (33x + 21xz)) = 0

Reorder the terms:
(-99 + 33x + 21xz + -63z) = 0
(-99 + 33x + 21xz + -63z) = 0

Solving
-99 + 33x + 21xz + -63z = 0

Solving for variable 'x'.

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

Add '99' to each side of the equation.
-99 + 33x + 21xz + 99 + -63z = 0 + 99

Reorder the terms:
-99 + 99 + 33x + 21xz + -63z = 0 + 99

Combine like terms: -99 + 99 = 0
0 + 33x + 21xz + -63z = 0 + 99
33x + 21xz + -63z = 0 + 99

Combine like terms: 0 + 99 = 99
33x + 21xz + -63z = 99

Add '63z' to each side of the equation.
33x + 21xz + -63z + 63z = 99 + 63z

Combine like terms: -63z + 63z = 0
33x + 21xz + 0 = 99 + 63z
33x + 21xz = 99 + 63z

Reorder the terms:
-99 + 33x + 21xz + -63z = 99 + 63z + -99 + -63z

Reorder the terms:
-99 + 33x + 21xz + -63z = 99 + -99 + 63z + -63z

Combine like terms: 99 + -99 = 0
-99 + 33x + 21xz + -63z = 0 + 63z + -63z
-99 + 33x + 21xz + -63z = 63z + -63z

Combine like terms: 63z + -63z = 0
-99 + 33x + 21xz + -63z = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-33 + 11x + 7xz + -21z) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-33 + 11x + 7xz + -21z)' equal to zero and attempt to solve: Simplifying -33 + 11x + 7xz + -21z = 0 Solving -33 + 11x + 7xz + -21z = 0 Move all terms containing x to the left, all other terms to the right. Add '33' to each side of the equation. -33 + 11x + 7xz + 33 + -21z = 0 + 33 Reorder the terms: -33 + 33 + 11x + 7xz + -21z = 0 + 33 Combine like terms: -33 + 33 = 0 0 + 11x + 7xz + -21z = 0 + 33 11x + 7xz + -21z = 0 + 33 Combine like terms: 0 + 33 = 33 11x + 7xz + -21z = 33 Add '21z' to each side of the equation. 11x + 7xz + -21z + 21z = 33 + 21z Combine like terms: -21z + 21z = 0 11x + 7xz + 0 = 33 + 21z 11x + 7xz = 33 + 21z The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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