Answer:3(2x+7)-4=53-3x
6×+21-4=53-3x
6x+3x=53-21+4
9x=32+4
9x=36
X=36÷9
X=4
Step-by-step explanation:
Answer:
0.78125 pounds
Step-by-step explanation:
the weight of 8 brick is 6.25 pound
divide the weight by 8 to take the weight for the one brick
1) Change the word problem into an equation:
.5x+x=213.75 where x equal the amount of money Dave earns.
2) Combine the like terms: .5x+x=1.5x
3) Now solve: 1.5x=213.75 and use multiplicative inverse to get your answer of 142.5
4) Now wait, this is the amount Dave earns not the amount Monsiha earns, however we know that Monsiha earns half that, therefore:
142.5÷2=75.25
The answer would be 'Monsiha raised $75.25 in total'.
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Answer:
y = -3m + 7
Step-by-step explanation:
Given the two point:
We use Slope-Intercept Form to create the equation of the line that goes through the two points above
y =mx + b where m is the slope and b is the y-intercept
Step 1: find the slope of it
<=> m =
=> our equation: y = -3x + b (1)
Now, plug one of the points (either one!) together with m into (1), we have:
1 = -3*2+ b
<=> b = 7
Hence, the equation is: y = -3m + 7
Hope it will find you well.