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Please solve card 6!

Please solve card 6!-example-1

2 Answers

1 vote
x+x+30=90
2x+30=90
2x=90-30
2x=60
x=60/2
x=30
User Gabe Spradlin
by
8.0k points
3 votes

Answer:

×=30⁰ :)

Explanation:

x⁰+(x+30⁰)= 90⁰

x⁰+x⁰= 90⁰-30⁰=60⁰

2x⁰=60⁰

60⁰÷2=30⁰ => x⁰=30⁰

verification:

30⁰+(30⁰+30⁰)=90⁰

User Florian Shena
by
8.5k points

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