Multiply 3x9 and it gives u 27
And -3 plus -9 equal -12
Step-by-step explanation:
when 11 is decreased by a number, the result is 413
This is tricky but I worked out the answer is A
Answer:
This equation has one solution so given statement is true.
Step-by-step explanation:
7a +4 – 2a = 7a + (-20)+4
5a + 4 = 7a - 16
5a - 7a = -16 - 4
- 2a = - 20
a = 10
This equation has one solution so given statement is true.
Answer:
a=-1/2 step by step solution is attached to this solution
