Answer:
you can use a website called calculator soup the answer is -9/14 please mark me branlist
Step-by-step explanation:
Answer:
2/3
Step-by-step explanation:
its right
4^3
you can write it like 4 × 4 × 4
you can also call it "Four to the Third power".
1) 3.8x + 5.2x - 6.7 = 11.3
9x = 11.3 + 6.7
9x = 18
x = 18/9
x = 2
2) 7.8y - 4.9 - 5.4y = 2.3
2.4y = 7.2
y = 7.2/2.4
y = 3
3)



Multiply by 3 by both sides:

Simplify:
2x = 18
x = 18/2
x = 9
4)

Do lowest common denominator:



Simplify by 5 by both sides:


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