4(7z-9)-7(4z+3)=6(9z-10)

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Solution for 4(7z-9)-7(4z+3)=6(9z-10) equation:


Simplifying
4(7z + -9) + -7(4z + 3) = 6(9z + -10)

Reorder the terms:
4(-9 + 7z) + -7(4z + 3) = 6(9z + -10)
(-9 * 4 + 7z * 4) + -7(4z + 3) = 6(9z + -10)
(-36 + 28z) + -7(4z + 3) = 6(9z + -10)

Reorder the terms:
-36 + 28z + -7(3 + 4z) = 6(9z + -10)
-36 + 28z + (3 * -7 + 4z * -7) = 6(9z + -10)
-36 + 28z + (-21 + -28z) = 6(9z + -10)

Reorder the terms:
-36 + -21 + 28z + -28z = 6(9z + -10)

Combine like terms: -36 + -21 = -57
-57 + 28z + -28z = 6(9z + -10)

Combine like terms: 28z + -28z = 0
-57 + 0 = 6(9z + -10)
-57 = 6(9z + -10)

Reorder the terms:
-57 = 6(-10 + 9z)
-57 = (-10 * 6 + 9z * 6)
-57 = (-60 + 54z)

Solving
-57 = -60 + 54z

Solving for variable 'z'.

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

Add '-54z' to each side of the equation.
-57 + -54z = -60 + 54z + -54z

Combine like terms: 54z + -54z = 0
-57 + -54z = -60 + 0
-57 + -54z = -60

Add '57' to each side of the equation.
-57 + 57 + -54z = -60 + 57

Combine like terms: -57 + 57 = 0
0 + -54z = -60 + 57
-54z = -60 + 57

Combine like terms: -60 + 57 = -3
-54z = -3

Divide each side by '-54'.
z = 0.05555555556

Simplifying
z = 0.05555555556

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