Step-by-step explanation:
5x + 5y = -5 , when y = 1
5x + 5.1 = -5
5x + 5 = -5
5x = -5 - 5
5x = -10
x = -10/5
x = -2
Answer:15/17
Step-by-step explanation:
Answer:
3x^2-x+5.2f\left(-3\right)-f\left(4\right) =
3x^2-x-19.6f
Step-by-step explanation:
3x^2-x+5.2f\left(-3\right)-f\left(4\right)
=3x^2-x-5.2f\cdot \:3-f\cdot \:4
=3x^2-x-15.6f-4f
=3x^2-x-19.6f
0.45 i think just into fractions
