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Solving Equations with Linear Expressions on One Side and Numbers on the Other Side

If 2a -3=5 ...

Question

If $2 a - 3 = 5$ and $3 b + 1 = 2$ , then $3 b - 2 a$ is

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Solution

The correct option is B $- 7$
$2 a - 3 = 5; 3 b + 1 = 2$
$2 a = 8; 3 b = 1$
$∴ 3 b - 2 a = 1 - 8 = - 7$

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Similar questions

If 2 a - 3 = 5

and 3 b + 1 = 2

then find the value of (3 b - 2 a) .

If 2 a - 3 = 5

and 3 b + 1 = 2

then find the value of (3 b - 2 a) .

If 2a - 3 = 5 , then find the value of "a".

(2 a - 3, 3 b + 1) = (7, 7)

a

b

A - 2 B = [\begin{matrix} 1 & 5 3 & 7 \end{matrix}]

2 A - 3 B = [\begin{matrix} - 2 & 5 0 & 7 \end{matrix}]

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