1.2 Day 1 Solving two-step Equations

Solving two-step Equations

1.2 Day 1

Learning Target

Student will be able to…

●Solve two-step equations using inverse operations.

●Use two-step equations to solve real-life problems.

Multiple Choice

Solve: $$d-8=17$$

• $$25$$

• $$-25$$

• $$9$$

• $$-9$$

Multiple Choice

Solve: $$-5=v+12$$

• $$17$$

• $$-17$$

• $$7$$

• $$-7$$

Multiple Choice

Solve: $$-\frac{x}{4}=-8$$

• $$2$$

• $$-2$$

• $$32$$

• $$-32$$

Multiple Choice

Solve: $$8y=96$$

• $$9$$

• $$-9$$

• $$12$$

• $$-12$$

Steps

1.

Add/Subtract

2.

Multiply/Divide

Example 1: Solve & Check

a)

-2n + 3 = 9

b) 2.5x - 13 = 2

c)

Example 2: Solve & Check

a)

b)

c)

Example 3: Write an equation. Then solve.

331 students went on a field trip. Six buses were filled and 7 students traveled
in cars. How many students were in each bus?

Example 4: Write an equation. Then solve.

​a) Twice a number plus four equals 6. What is the number?




b) Sixteen is seven plus three times a number. Find the number.

Multiple Choice

Solve: $$3.2y-1.8=3$$

• $$1.5$$

• $$-1.5$$

• $$1.5555...$$

• $$-1.6$$

Hw: 1.2 Day 1 WS

Due tomorrow August 17, 2023, before class begins