Answer:
x=-1
Step-by-step explanation:
7x + 8 − 3x = −6 + 10
4x+8=4
4x=4-8
4x=-4
x=-4/4
x=-1
Please mark Brainliest!!! Hope I helped!
Answer: 
<u>Add 13 to both sides</u>
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Answer:
20 x 19 = 380 hands touched
380/2 = 190 handshakes
Step-by-step explanation:
Answer:
27 coaches, 162 divided by 6 equals 27.
Well sir according to my calculations if you have a 3 and than you add 3 to the 3 you already have then you would end up with the exact answer of number 6