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

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


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

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

Combine like terms: 7 + 7 = 14
14 + -2z = -4(z + 1) + 3

Reorder the terms:
14 + -2z = -4(1 + z) + 3
14 + -2z = (1 * -4 + z * -4) + 3
14 + -2z = (-4 + -4z) + 3

Reorder the terms:
14 + -2z = -4 + 3 + -4z

Combine like terms: -4 + 3 = -1
14 + -2z = -1 + -4z

Solving
14 + -2z = -1 + -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.
14 + -2z + 4z = -1 + -4z + 4z

Combine like terms: -2z + 4z = 2z
14 + 2z = -1 + -4z + 4z

Combine like terms: -4z + 4z = 0
14 + 2z = -1 + 0
14 + 2z = -1

Add '-14' to each side of the equation.
14 + -14 + 2z = -1 + -14

Combine like terms: 14 + -14 = 0
0 + 2z = -1 + -14
2z = -1 + -14

Combine like terms: -1 + -14 = -15
2z = -15

Divide each side by '2'.
z = -7.5

Simplifying
z = -7.5

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