A>70*9
a>360
a should be at least 361
I believe it would be 12/18 so that would be 2/3 and 0.6 in decimal form
3x+7=-x-1
move -x to the other side
sign changes from -x to +x
3x+x+7=-x+x-1
3x+x+7=-1
4x+7=-1
move 7 to the other side
sign changes from +7 to -7
4x+7-7=-1-7
4x=-8
Divide by 4 for both sides
4x/4=-8/4
Answer: x=-2
Answer:
infinite
Step-by-step explanation:
because there is an infinite amount of numbers there is an infinite amount of solutions