Solving Linear Equations: Variables on Both Sides Answers

The levels of mercury in two different bodies of water are rising. In one body of water the initial measure of mercury is 0.05 parts per billion (ppb) and is rising at a rate of 0.1 ppb each year. In the second body of water the initial measure is 0.12 ppb and the rate of increase is 0.06 ppb each year.

What is the solution to the linear equation?2.8y + 6 + 0.2y = 5y – 14

Two runners are saving money to attend a marathon. The first runner has $112 in savings, received a $45 gift from a friend, and will save $25 each month. The second runner has $50 in savings and will save $60 each month.

Use properties to rewrite the given equation. Which equations have the same solution as the equation x + + x = – xSelect three options.

What is the solution to the linear equation?d – 10 – 2d + 7 = 8 + d – 10 – 3d

Solve the equation.8 – 2x = –8x + 14

Which number can each term of the equation be multiplied by to eliminate the fractions before solving?6 – x + = x + 5

Solve the equation.y + 6 = –3y + 26

What is the solution to the linear equation?4b + 6 = 2 – b + 4

What is the justification for the step taken from line 2 to line 3?