Distribute -1/5 into the parentheses. Then you have -1/5x-25=7. Add 25 to both sides to get the equation-1/5x=32. Then divide both sides by -1/5 to get your answer.
There are a total of 16 goldfish bc there is 8 guppies and there is twice as many goldfish so 8x2=16. And that adds up to 24
<u>The </u><u>value </u><u>of a and</u><u> YZ = 38 units.</u>
What is a linear equation in math?
- A linear equation only has one or two variables. No variable in a linear equation is raised to a power greater than 1 or used as the denominator of a fraction.
- When you find pairs of values that make a linear equation true and plot those pairs on a coordinate grid, all of the points lie on the same line.
If Y is between X and Z
then
XZ = XY + YZ
substitute the given values and solve for a
5a + 22 = (3a - 4 ) + ( 6a + 2 )
5a + 22 = 9a - 2
9a - 5a = 22 + 2
4a = 24
a = 6
Find the length of YZ
YZ = 6a + 2
substitute the value of a
YZ = 6 (6) + 2 = 38 units
Learn more about linear equation
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