Q: 3x plus 5 equals 20 solve equation?

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Solve the equation for y. This will give you an equation similar to y = ax + b, where a is the slope, and b is the y-intercept.

7x = 20 + 4xSubtract 4x from each side of the equation:3x = 20Divide each side by 3 :x = 20/3

If as a straight line equation: 5x+2y = 20 then y = -2.5x+10 whereas -2.5 is the slope and 10 is the y intercept

20

To solve for x, we'd have to know what this expression equals.

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Better formatting is cos(2x+20)=-0.5

balance the equation 3x-x=20-6 3x-x=2x 20-6=14 2x=14 x=7

Solve the equation for y. This will give you an equation similar to y = ax + b, where a is the slope, and b is the y-intercept.

7x = 20 + 4xSubtract 4x from each side of the equation:3x = 20Divide each side by 3 :x = 20/3

If as a straight line equation: 5x+2y = 20 then y = -2.5x+10 whereas -2.5 is the slope and 10 is the y intercept

(20 - x)/5

20

20

To solve for x, we'd have to know what this expression equals.

To solve this one, subtract 50 from 180 and you'll have your answer.

That's an equation where x = 5

x2-12x+20=0you can factor this equation into:(x-10)(x-2)=0set each factor equal to zero & solve for x to get:x=10 & x=2