20 – 10 + 5x = 40 What value of x makes the equation true? * explanition plz
2 answers:
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Answer:
Slope: 3
Y-intercept: 1
Step-by-step explanation:
This equation is written in slope-intercept form of Y=MX+B. The M is the slope and the B is the y-intercept. The M in this equation is 3. And the B is the 1.
To see it graph pictures are below,
So,
"The sum of three times a number"
3n +
"and 12"
3n + 12
"is 20"
3n + 12 = 20
Subtract 12 from both sides.
3n = 8
Divide both sides by 3.
"The sum of three times a number"
3n +
"and 12"
3n + 12
"is 20"
3n + 12 = 20
Subtract 12 from both sides.
3n = 8
Divide both sides by 3.