Answer:
1
0.8
0.4
Step-by-step explanation:
y = 5x
Substituting '5':
5 = 5x
x = 5/5
x = 1
Substituting 4:
4 = 5x
x = 4/5
x = 0.8
Substituting 2:
2 = 5x
x = 2/5
x = 0.4
Step-by-step explanation:
1.07×1.25
=1.3375 euros
Answer:
± 5
Step-by-step explanation:
2x/-5 = -10/x
2x^2 = 50
x^2 = 25
x = ± 5
Answer: x = 12
Step-by-step explanation:

Add 7 on both sides to get rid of the 7 and isolate x.


Now multiply both sides by
to eliminate it and isolate x.


Proof;

Answer:
Around 175.80
Step-by-step explanation:
732/178 + 167 - 642/137 =
366/89 + 167 - 642/137
4 10/89 +167 - 642/137
8.80 +167
175.80