4x+30=2(x-10)
4x+30=2x-20
4x-2x= -30-20
2x= -50
x= -25
Mark as brainliest if you find it helpful.
4x+30=2x-20
4x-2x= -30-20
2x= -50
x= -25
Mark as brainliest if you find it helpful.
Solve this equation for s: r=s-t
1 answer:
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Answer: He rides for 2.5 hours or 2 and a half hours.
Step-by-step explanation:
He needs to complete a trajectory of 22.5 kilometers.
He rides 9 kilometers per hour.
Divide the total by the amount of kilometers that he rides.
Subtract 14x from both sides. Then divide both sides by 19
The equation is now in slope intercept form y = mx+b
m = -14/19 is the slope
b = 20/19 is the y intercept