sebrinaemm sebrinaemm

25-01-2017
Mathematics

contestada

-7x - 2y = -13
× - 2y = 11

Respuesta :

freshpixel freshpixel

25-01-2017

From second: x = 11+2y, now replace it in the first one:
-7(11+2y)-2y=-13
-77-14y-2y=-13
-16y=-13+77
-16y=64
y=64/(-13)
y=-4.92

x-2*(-4.92) = 11
x+9.84=11
x=11-9.84
x=1.16

Answer Link

Otras preguntas

5. Which tropic level has the most energy? A. Producers B. Primary Consumers C. Tertiary Consumers

What are internal stakeholders? 1) Logistic firms 2) Suppliers 3) Outside consultants 4) Stakeholders and shareholders 5) Customers

Graph g(x)=(x-3)^2 2

A television network is considering whether to add one or both programs to its upcoming fall lineup. The only two time slots remaining are sponsored by Colgate,

What is the 'Common Law Tradition'?

The depreciation method that produces more depreciation expense during the early years of an asset's life and less expense in the later years is a(n): a) Deplet

Cultural and linguistically appropriate services class can improve quality of care by making care more?

Analyze The Possible Relationship Between Effective Pain Management and Patients' Recovery.

What is the meaning of synthesizing connections among experiences outside of the formal classroom to deepen understanding of fields of study and broaden one's o

Select the correct answer from the drop-down menu. Read the excerpt from paragraph 6, then complete the sentence. Is life so dear, or peace so sweet, as to be