Let: eq 1:2x+5y=-55
eq 2:y=3x+6
by substituting eq 2 in eq 1 we get,
2x+5(3x+6)=-55
2x+15x+30+55=0
17x + 85=0
x=-85/17
x=-5
By substituting x value in eq 2,
we have,
y=3(-5)+6=-15+6=-9
Answer:
2x+6=20
Step-by-step explanation:
Answer:
to solve this we do the oppisite of multiplication which is division
so 84 divided by 12 = 7 so that means that our mysterious k = 7
so reprhase the sentence so '' The product of 12 and 7 is 84
hope this helps:)
Step-by-step explanation