Plz help

2/3

well not sure

have a great day ahead

6

Step-by-step explanation:

Multiply both sides by a multiple of 2 to remove the denominator. 1x+3y=-21.

6 is a multiple of 2, so 6.

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x= -3

step-by-step explanation:

step 1: simplify brackets

4 - x - 1 = 6

step 2: simpilfy

3 - x = 6

step 3: subtract 3 from both sides

-x = 6 - 3

step 4: simpilfy 6 - 3

-x = 3

step 5: multiply both sides by -1

x = -3

step-by-step explanation: