B and C by SSA (pls mark as brainliest)
It should be 15. 88 minus 28 is 60. Then 60 divided by 4 is 15.
Answer:
3/10
Step-by-step explanation:
2/5 + x = 7/10
x = 7/10 - 2/5
x = 7/10 - 4/10
x = 3/10
7. subtraction property
division property
8. subtraction property
multiplication property
9. distribution property
addition property
division property
10. distribution property
combine like terms
addition property
division property
11. combine like terms
distribution property
subtraction property
subtraction property
division property