50 + 30z=250 +10z

use any strategy to solve

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how do u know your answer is correct

50 + 30z = 250 + 10z combine like terms by subtracting 10z from both sides and subtracting 50 from both sides.

20z = 200. Divide each side by 20

Z = 10.

To ensure you're correct, plug 10 back into the equation.

50 + 30(10) = 250 + 10(10). Simplify.

350 = 350.

10 is the correct answer.

arrange the equations with like terms in columns.

analyze the coefficients of x or y.

add the equations and solve for the remaining variable.

substitute the value into either equation and solve.

check the solution.

step-by-step explanation:

a. turk and mcalister

b. howard, mission, and market

c. yes. since streets end some do not cross yet are not parallel to others. example: mcalister and 5th

step-by-step explanation:

parallel lines are lines which do not intersect ever and look a lot like railroad tracks. turk, mcalister and golden gate are examples of these.

intersect are streets which cross each other and a car on one can reach the other. howard, mission, and market intersect with 6th.

skew lines are lines which neither intersect nor are parallel. these lines exist here because some streets end and never intersect another like mcalister and 5th.