1/2x-3=141 help me with this

1/2x-3=141

so first add 3 from both sides:

1/2x=141+3

1/2x=144

next divide is 1/2 on both sides

x=144/(1/2)

x=288

x= 288

Step-by-step explanation:

1/2x-3=141

-3+3 which cancels out and you do 141+3 which gives you 145

you are left with 1/2x=145

and you divide 145 by 1/2x and you get

x=288

i hope this is right

it is a. 4.2 because 7.6-3.4 gets the remaining length of 4.2. i might be wrong but i am pretty sure this is the answer.

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step-by-step explanation: