It can either be the negative sign of the number by the x so it should either be 2 or -
Answer:
Amrita's number is 6
Step-by-step explanation:
x Double the unknown number
2x Add 9
2x + 9 Divide the answer by 3
2/3x + 3 Subtract 1
2/3x + 2 Set this equal to the original number
2/3x + 2 = x
-2/3x -2/3x Subtract 2/3x from both sides
2 = 1/3x Multiply both sides by 3
6 = x
Answer:
f(a)=4a-5
1: a= -5 / f−4
f(3)-f(1.25)
2: 1.75f
Step-by-step explanation:
True
it won’t let me make an answer under 20 characters so ignore this but it’s true.
Substitute in the -3
7-2(-3)
According to PEMDAS (parentheses, exponents, multiply, divide, add, subtract ) you must multiply, and then subtract.
7- (-6)
7 + 6= 13
Answer is 13
