Ineed the answer ! the solutions plz 1. 8c–(11+6c)=–2 2. (3z+4)–(2z+9)=15 3. 12–(4x–18)=(36+4x)+(18–6x) 4. 36a–(9a+5)=(6a–17)

c = -4.5z = 20x = -12a = -4/7

Step-by-step explanation:

A way to do this that will always work is ...

eliminate parenthses and collect termssubtract any constants from the left sidesubtract any variable terms from the right sidedivide by the coefficient of the variable

1.

8c -11 -6c = -22c -11 = -22c = 9c = 4.5

2.

3z +4 -2z -9 = 15z -5 = 15z = 20

3.

12 -4x +18 = 36 +4x +18 -6x30 -4x = 54 -2x-4x = 24 -2x-2x = 24x = -12

4.

36a -9a -5 = 6a -1727a -5 = 6a -1727a = 6a -1221a = -12a = -12/21 = -4/7

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