15=4(z-18)+11

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Solution for 15=4(z-18)+11 equation:


Simplifying
15 = 4(z + -18) + 11

Reorder the terms:
15 = 4(-18 + z) + 11
15 = (-18 * 4 + z * 4) + 11
15 = (-72 + 4z) + 11

Reorder the terms:
15 = -72 + 11 + 4z

Combine like terms: -72 + 11 = -61
15 = -61 + 4z

Solving
15 = -61 + 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.
15 + -4z = -61 + 4z + -4z

Combine like terms: 4z + -4z = 0
15 + -4z = -61 + 0
15 + -4z = -61

Add '-15' to each side of the equation.
15 + -15 + -4z = -61 + -15

Combine like terms: 15 + -15 = 0
0 + -4z = -61 + -15
-4z = -61 + -15

Combine like terms: -61 + -15 = -76
-4z = -76

Divide each side by '-4'.
z = 19

Simplifying
z = 19

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