4(5z-1)-5(x+7)=8(z+1)

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Solution for 4(5z-1)-5(x+7)=8(z+1) equation:


Simplifying
4(5z + -1) + -5(x + 7) = 8(z + 1)

Reorder the terms:
4(-1 + 5z) + -5(x + 7) = 8(z + 1)
(-1 * 4 + 5z * 4) + -5(x + 7) = 8(z + 1)
(-4 + 20z) + -5(x + 7) = 8(z + 1)

Reorder the terms:
-4 + 20z + -5(7 + x) = 8(z + 1)
-4 + 20z + (7 * -5 + x * -5) = 8(z + 1)
-4 + 20z + (-35 + -5x) = 8(z + 1)

Reorder the terms:
-4 + -35 + -5x + 20z = 8(z + 1)

Combine like terms: -4 + -35 = -39
-39 + -5x + 20z = 8(z + 1)

Reorder the terms:
-39 + -5x + 20z = 8(1 + z)
-39 + -5x + 20z = (1 * 8 + z * 8)
-39 + -5x + 20z = (8 + 8z)

Solving
-39 + -5x + 20z = 8 + 8z

Solving for variable 'x'.

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

Add '39' to each side of the equation.
-39 + -5x + 39 + 20z = 8 + 39 + 8z

Reorder the terms:
-39 + 39 + -5x + 20z = 8 + 39 + 8z

Combine like terms: -39 + 39 = 0
0 + -5x + 20z = 8 + 39 + 8z
-5x + 20z = 8 + 39 + 8z

Combine like terms: 8 + 39 = 47
-5x + 20z = 47 + 8z

Add '-20z' to each side of the equation.
-5x + 20z + -20z = 47 + 8z + -20z

Combine like terms: 20z + -20z = 0
-5x + 0 = 47 + 8z + -20z
-5x = 47 + 8z + -20z

Combine like terms: 8z + -20z = -12z
-5x = 47 + -12z

Divide each side by '-5'.
x = -9.4 + 2.4z

Simplifying
x = -9.4 + 2.4z

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