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

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


Simplifying
-5(1 + -2z) + 4(3 + -1z) = 7(3 + 2)
(1 * -5 + -2z * -5) + 4(3 + -1z) = 7(3 + 2)
(-5 + 10z) + 4(3 + -1z) = 7(3 + 2)
-5 + 10z + (3 * 4 + -1z * 4) = 7(3 + 2)
-5 + 10z + (12 + -4z) = 7(3 + 2)

Reorder the terms:
-5 + 12 + 10z + -4z = 7(3 + 2)

Combine like terms: -5 + 12 = 7
7 + 10z + -4z = 7(3 + 2)

Combine like terms: 10z + -4z = 6z
7 + 6z = 7(3 + 2)

Combine like terms: 3 + 2 = 5
7 + 6z = 7(5)

Multiply 7 * 5
7 + 6z = 35

Solving
7 + 6z = 35

Solving for variable 'z'.

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

Add '-7' to each side of the equation.
7 + -7 + 6z = 35 + -7

Combine like terms: 7 + -7 = 0
0 + 6z = 35 + -7
6z = 35 + -7

Combine like terms: 35 + -7 = 28
6z = 28

Divide each side by '6'.
z = 4.666666667

Simplifying
z = 4.666666667

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