4(5z-1)-4(z+2)=11(2+1)

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Solution for 4(5z-1)-4(z+2)=11(2+1) equation:


Simplifying
4(5z + -1) + -4(z + 2) = 11(2 + 1)

Reorder the terms:
4(-1 + 5z) + -4(z + 2) = 11(2 + 1)
(-1 * 4 + 5z * 4) + -4(z + 2) = 11(2 + 1)
(-4 + 20z) + -4(z + 2) = 11(2 + 1)

Reorder the terms:
-4 + 20z + -4(2 + z) = 11(2 + 1)
-4 + 20z + (2 * -4 + z * -4) = 11(2 + 1)
-4 + 20z + (-8 + -4z) = 11(2 + 1)

Reorder the terms:
-4 + -8 + 20z + -4z = 11(2 + 1)

Combine like terms: -4 + -8 = -12
-12 + 20z + -4z = 11(2 + 1)

Combine like terms: 20z + -4z = 16z
-12 + 16z = 11(2 + 1)

Combine like terms: 2 + 1 = 3
-12 + 16z = 11(3)

Multiply 11 * 3
-12 + 16z = 33

Solving
-12 + 16z = 33

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 + 16z = 33 + 12

Combine like terms: -12 + 12 = 0
0 + 16z = 33 + 12
16z = 33 + 12

Combine like terms: 33 + 12 = 45
16z = 45

Divide each side by '16'.
z = 2.8125

Simplifying
z = 2.8125

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