2 answers:
Answer: x = 4
Step-by-step explanation:
3x - 11 + 9 = 10
Add 11 to each side
3x + 9 = 21
Subtract 9 from each side
3x = 12
Divide each side by 3
x = 4
Isolate the variable by dividing each side by factors that don't contain the variable. X=4
You might be interested in
Two equal triangles
2(1/2×b×h)
=2(1/2×8×10)
Three rectangles
=3(l×h)
=3(18×8)
=3(144)
Total Surface area
9 because the symbols around -12 and -3 so they would just become positive number 12 and 3. Subtract them and you get 9 :)
3+x=23t therefore the answer should be D
Answer:
274
Step-by-step explanation:
(52 + 4) * 5 - 2 + (-4)
56 * 5 - 2 + (-4)
56 * 5 - 2 - 4
280 - 2 - 4
278 - 4
274