4(5z-1)-2(z+3)=7(z+1)

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Solution for 4(5z-1)-2(z+3)=7(z+1) equation:


Simplifying
4(5z + -1) + -2(z + 3) = 7(z + 1)

Reorder the terms:
4(-1 + 5z) + -2(z + 3) = 7(z + 1)
(-1 * 4 + 5z * 4) + -2(z + 3) = 7(z + 1)
(-4 + 20z) + -2(z + 3) = 7(z + 1)

Reorder the terms:
-4 + 20z + -2(3 + z) = 7(z + 1)
-4 + 20z + (3 * -2 + z * -2) = 7(z + 1)
-4 + 20z + (-6 + -2z) = 7(z + 1)

Reorder the terms:
-4 + -6 + 20z + -2z = 7(z + 1)

Combine like terms: -4 + -6 = -10
-10 + 20z + -2z = 7(z + 1)

Combine like terms: 20z + -2z = 18z
-10 + 18z = 7(z + 1)

Reorder the terms:
-10 + 18z = 7(1 + z)
-10 + 18z = (1 * 7 + z * 7)
-10 + 18z = (7 + 7z)

Solving
-10 + 18z = 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.
-10 + 18z + -7z = 7 + 7z + -7z

Combine like terms: 18z + -7z = 11z
-10 + 11z = 7 + 7z + -7z

Combine like terms: 7z + -7z = 0
-10 + 11z = 7 + 0
-10 + 11z = 7

Add '10' to each side of the equation.
-10 + 10 + 11z = 7 + 10

Combine like terms: -10 + 10 = 0
0 + 11z = 7 + 10
11z = 7 + 10

Combine like terms: 7 + 10 = 17
11z = 17

Divide each side by '11'.
z = 1.545454545

Simplifying
z = 1.545454545

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