Answers edited by Brandon
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How do you solve
3x+243=39
3
x
+
243
=
39
?
Solving a realistic word problem using trig identities? See details.
How do you solve
x-5y=6
x
−
5
y
=
6
,
2x+3y=12
2
x
+
3
y
=
12
using substitution?
How do you simplify
3 sqrt 12 + 4 sqrt18
3
√
12
+
4
√
18
?