7=-2.6z-[3.3z+1]

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Solution for 7=-2.6z-[3.3z+1] equation:


Simplifying
7 = -2.6z + -1[3.3z + 1]

Reorder the terms:
7 = -2.6z + -1[1 + 3.3z]
7 = -2.6z + [1 * -1 + 3.3z * -1]
7 = -2.6z + [-1 + -3.3z]

Reorder the terms:
7 = -1 + -2.6z + -3.3z

Combine like terms: -2.6z + -3.3z = -5.9z
7 = -1 + -5.9z

Solving
7 = -1 + -5.9z

Solving for variable 'z'.

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

Add '5.9z' to each side of the equation.
7 + 5.9z = -1 + -5.9z + 5.9z

Combine like terms: -5.9z + 5.9z = 0.0
7 + 5.9z = -1 + 0.0
7 + 5.9z = -1

Add '-7' to each side of the equation.
7 + -7 + 5.9z = -1 + -7

Combine like terms: 7 + -7 = 0
0 + 5.9z = -1 + -7
5.9z = -1 + -7

Combine like terms: -1 + -7 = -8
5.9z = -8

Divide each side by '5.9'.
z = -1.355932203

Simplifying
z = -1.355932203

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