7z-10-10z=4(z+1)

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Solution for 7z-10-10z=4(z+1) equation:


Simplifying
7z + -10 + -10z = 4(z + 1)

Reorder the terms:
-10 + 7z + -10z = 4(z + 1)

Combine like terms: 7z + -10z = -3z
-10 + -3z = 4(z + 1)

Reorder the terms:
-10 + -3z = 4(1 + z)
-10 + -3z = (1 * 4 + z * 4)
-10 + -3z = (4 + 4z)

Solving
-10 + -3z = 4 + 4z

Solving for variable 'z'.

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

Add '-4z' to each side of the equation.
-10 + -3z + -4z = 4 + 4z + -4z

Combine like terms: -3z + -4z = -7z
-10 + -7z = 4 + 4z + -4z

Combine like terms: 4z + -4z = 0
-10 + -7z = 4 + 0
-10 + -7z = 4

Add '10' to each side of the equation.
-10 + 10 + -7z = 4 + 10

Combine like terms: -10 + 10 = 0
0 + -7z = 4 + 10
-7z = 4 + 10

Combine like terms: 4 + 10 = 14
-7z = 14

Divide each side by '-7'.
z = -2

Simplifying
z = -2

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