Answer:
Part of mathematics in which letters and other symbols are used to represent numbers and quantities in formula and equation Algebra is one of the broad parts of mathematics, together with number theory, geometry and analysis
Step-by-step explanation:
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2x-4y=-16
ax+4y=6 +
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2x+ax=-10; for x=-2,
2(-2)+a(-2)=-10
-2a=-10+4
a=-6/-2
a=3
Answer:
a. 90 ft
Step-by-step explanation:
20+20+25+25
Answer:
a=1
an= an-1 -7
Step-by-step explanation:
