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Bell Work Solve and Check x = y – 5.6 = 34.2 x = -68

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Presentation on theme: "Bell Work Solve and Check x = y – 5.6 = 34.2 x = -68"— Presentation transcript:

1 Bell Work Solve and Check x + 2.6 = - 65.4 y – 5.6 = 34.2 x = -68
𝑤 3.2 = 2.5 1.5x = x = -68 y = 39.8 w = 8 x = -9

2 Unit 3 – Expressions, Equations, and Inequalities
Multi-Step Equations Unit 3 – Expressions, Equations, and Inequalities

3 Combining Like Terms to Solve Equations
Example 1: 10𝑚+6 −8𝑚=14 Combine like terms first. 2𝑚+6=14 −6 −6 Solve for the variable. 2𝑚=8 m = 4

4 Combining Like Terms to Solve Equations
Example 2: − 8𝑘+7−12𝑘+18 =125 Combine like terms first. −20𝑘+25=125 −25 −25 Solve for the variable. −20𝑘 =100 k = -5

5 Combining Like Terms to Solve Equations
Example 3: 𝑥−2 +7=23 4𝑥−8+7=23 Distribute. 4𝑥−1=23 Combine like terms. 4𝑥 =24 Solve for the variable. 𝑥=6

6 Combining Like Terms to Solve Equations
Example 4: −2 3𝑥−4 +4𝑥=−34 −6𝑥+8+4𝑥=−34 Distribute. −2𝑥+8=−34 Combine like terms. Solve for the variable. −2𝑥 =−42 𝑥=21

7 Example 5: 2 𝑥+5 −8𝑥+5=51 2x + 10−8𝑥+5=51 −6𝑥+15=51 −15 −15 −6𝑥=36 − −6 𝑥=−6

8 Practice Solve and Check. 1). −7𝑥 −19+17𝑥=1 2). 8 𝑦−5 −6𝑦=100 y = 2
1). −7𝑥 −19+17𝑥=1 2). 8 𝑦−5 −6𝑦=100 3). ℎ+14+2ℎ=74 4). 4 𝑥 −2 +7 −3𝑥=45 y = 2 y = 70 h = 20 x =46


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