How do I solve the system equation y=x+5 y=6?
2 answers:
If y=6, plug 6 into the equation:
6=x+5
Isolate x by performing the opposite operation by subtracting 5 on both sides of the equation
The 5's will cross out on the right
5 - 5 =0
The result on the left will be 1
6-5=1
x=1
You would plug in the 6 and have y=6+5 and your y would equal 11.
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Y=5x-4
3y=15x-8
3(5x-4)=15x-8
15x-12=15x-8
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Therefore, there is no solution.
14x - (2x - y) - y
14x + (-1(2x - y)) - y
14x + (-1(2x) - 1(-y)) - y
14x + (-2x + y) - y
14x + 1(-2x + y) - y
14x + 1(-2x) + 1(y) - y
14x - 2x + y - y
14x - 2x
12x
Answer:
2.8
Step-by-step explanation:
11.1-8.3=2.8
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Big/small=4/7
r1/r2=4/7 where r1, r2 are radius of a big and small circles respectively
r1/3=4/7
r1=12/7
circumference of a big circle is2πr1=2π*12/7=24π/7 cm
The third one is the smallest
