2b
2a+5
minus a minus is plus, so it's -8 + 3, which is 3 - 8, or -5
Multiply the entire expression by a least common multiple and then simplify the expression. In this case, the least common multiple is 30 so multiply the entire expression by 30 and simplify.
54
3b -1
7g-10h
To put a plus or minus sign with the digit 5
2a+5
minus a minus is plus, so it's -8 + 3, which is 3 - 8, or -5
minus a minus is plus, so it's -8 + 3, which is 3 - 8, or -5
- - x + 3 = x + 3
Multiply the entire expression by a least common multiple and then simplify the expression. In this case, the least common multiple is 30 so multiply the entire expression by 30 and simplify.
54
3b -1
7(3y-2)-(-4y+9)
Negative 12 minus 3 plus 9 is equal to -6
n - 10 + 9n - 3 n + 9n - 10 - 3 10n - 13