-3z+19z-18z+7=-19

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Solution for -3z+19z-18z+7=-19 equation:


Simplifying
-3z + 19z + -18z + 7 = -19

Reorder the terms:
7 + -3z + 19z + -18z = -19

Combine like terms: -3z + 19z = 16z
7 + 16z + -18z = -19

Combine like terms: 16z + -18z = -2z
7 + -2z = -19

Solving
7 + -2z = -19

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 + -2z = -19 + -7

Combine like terms: 7 + -7 = 0
0 + -2z = -19 + -7
-2z = -19 + -7

Combine like terms: -19 + -7 = -26
-2z = -26

Divide each side by '-2'.
z = 13

Simplifying
z = 13

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