2+2x7+(89 x0)+90+50-12 - 20=
2 answers:
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7.5 = x + 
equals x = 6.
First, subtract from both sides. / Your problem should look like: 7.5 - = x.
Second, simplify 7.5 - to 6. / Your problem should look like: 6 = x.
Third, switch sides. / Your problem should look like x = 6, which is your answer.
First, subtract
Second, simplify 7.5 -
Third, switch sides. / Your problem should look like x = 6, which is your answer.
Hello,
Let assume x the number of half-dollars3x is the number of quarters.
The coins total $13.75.
11 is the number of half-dollars
33 is the number of quarters.
Let assume x the number of half-dollars3x is the number of quarters.
The coins total $13.75.
11 is the number of half-dollars
33 is the number of quarters.