Question

simplify these expressions and find their values if x=3 a =1b=-2

3a +5 -8 a+1

Answer 1

Given:-

x = 3 a = 1 b = -2

To Find:-

3a + 5 -8a + 1

Solution:-

• x = 3
• a = 1
• b = -2

3 × 3 + 5 - 8 × 1 + 1

= 6 - 3 × 2 + 1

= 3 × 2 + 1

= 7

Answer 2

Question

simplify these expressions and find their values if x = 3 a = 1 b= -2

• 3a + 5 - 8 a + 1

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Required Answer

7⠀⠀⠀⠀⠀

Given

${ \bf{x = 3}}\: \: {\bf{a = 1}}\: \: {\bf{b = - 2}}$

To Find

${\bf{3a + 5 -8a +1}}$

Solution

${ \bf{x = 3}} \\ \\ {\bf{a = 1}} \\ \\ { \bf{b = - 2}}$

3 × 3 + 5 - 8 × 1 + 1

= 6 - 3 × 2 + 1

= 3 × 2 + 1

= 7

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