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

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


Simplifying
7 + 2(3 + -4z) = 7z + 2(3z + -4)
7 + (3 * 2 + -4z * 2) = 7z + 2(3z + -4)
7 + (6 + -8z) = 7z + 2(3z + -4)

Combine like terms: 7 + 6 = 13
13 + -8z = 7z + 2(3z + -4)

Reorder the terms:
13 + -8z = 7z + 2(-4 + 3z)
13 + -8z = 7z + (-4 * 2 + 3z * 2)
13 + -8z = 7z + (-8 + 6z)

Reorder the terms:
13 + -8z = -8 + 7z + 6z

Combine like terms: 7z + 6z = 13z
13 + -8z = -8 + 13z

Solving
13 + -8z = -8 + 13z

Solving for variable 'z'.

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

Add '-13z' to each side of the equation.
13 + -8z + -13z = -8 + 13z + -13z

Combine like terms: -8z + -13z = -21z
13 + -21z = -8 + 13z + -13z

Combine like terms: 13z + -13z = 0
13 + -21z = -8 + 0
13 + -21z = -8

Add '-13' to each side of the equation.
13 + -13 + -21z = -8 + -13

Combine like terms: 13 + -13 = 0
0 + -21z = -8 + -13
-21z = -8 + -13

Combine like terms: -8 + -13 = -21
-21z = -21

Divide each side by '-21'.
z = 1

Simplifying
z = 1

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