Answer:
Step-by-step explanation:
Given
Required
Equivalent expressions
No option were given; So, I will list out some possible equivalent expressions.
Using distributive property:
So, we have:
----- (1)
Another:
Another:
Another:
Another:
X=5 y=15 (5,15).
This is how you do it:
-4(2x+3y=55): -8x-12y=-220
3(9x+4y=105):27x+12y=315
You add the two new equations together, canceling out the y values, and get the x value. Then, you go back and plug in the x value in the original equation to get the y value.
Answer:
Josh has played in 3 times as many as Lisa has.
Step-by-step explanation:
She mixed up multiplication and addition.
6+12=18
6*3=18
