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Solve for x. 7x+15=2x+19 A)x=9/34 B)x=4/9 C)x=4/5 D)x=20
asked
Sep 11, 2018
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3
votes
Solve for x.
7x+15=2x+19
A)x=9/34
B)x=4/9
C)x=4/5
D)x=20
Mathematics
high-school
Bojangle
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Bojangle
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2
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7
votes
Let's solve your equation step-by-step.
7x+15
=
2x
+19
Step 1: Subtract 2x from both sides.
7x
+15
−
2x
=
2x
+19
−
2x
5x
+15
=19
Step 2: Subtract 15 from both sides.
5x
+15
−15
=
19−15
5x
=4
Step 3: Divide both sides by 5.
5x
/5
=
4/5
x=
4/5
Allquixotic
answered
Sep 12, 2018
by
Allquixotic
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2
votes
7x+15=2x+19
Subtract 2x from both sides
5x+15=19
Subtract 15 from both sides
5x=4
Divide 5 on both sides
Final Answer: C.) x= 4/5
Xcvr
answered
Sep 17, 2018
by
Xcvr
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