4(5z-1)-4(2+9)=7(z+1)

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Solution for 4(5z-1)-4(2+9)=7(z+1) equation:


Simplifying
4(5z + -1) + -4(2 + 9) = 7(z + 1)

Reorder the terms:
4(-1 + 5z) + -4(2 + 9) = 7(z + 1)
(-1 * 4 + 5z * 4) + -4(2 + 9) = 7(z + 1)
(-4 + 20z) + -4(2 + 9) = 7(z + 1)

Combine like terms: 2 + 9 = 11
-4 + 20z + -4(11) = 7(z + 1)

Multiply -4 * 11
-4 + 20z + -44 = 7(z + 1)

Reorder the terms:
-4 + -44 + 20z = 7(z + 1)

Combine like terms: -4 + -44 = -48
-48 + 20z = 7(z + 1)

Reorder the terms:
-48 + 20z = 7(1 + z)
-48 + 20z = (1 * 7 + z * 7)
-48 + 20z = (7 + 7z)

Solving
-48 + 20z = 7 + 7z

Solving for variable 'z'.

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

Add '-7z' to each side of the equation.
-48 + 20z + -7z = 7 + 7z + -7z

Combine like terms: 20z + -7z = 13z
-48 + 13z = 7 + 7z + -7z

Combine like terms: 7z + -7z = 0
-48 + 13z = 7 + 0
-48 + 13z = 7

Add '48' to each side of the equation.
-48 + 48 + 13z = 7 + 48

Combine like terms: -48 + 48 = 0
0 + 13z = 7 + 48
13z = 7 + 48

Combine like terms: 7 + 48 = 55
13z = 55

Divide each side by '13'.
z = 4.230769231

Simplifying
z = 4.230769231

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