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Simple Linear Equations (Including Word Problems) — MATHS STD 7 — Question

ICSE BoardEnglish MediumSTD 7MATHSSimple Linear Equations (Including Word Problems)2 Marks
Question
19x + 13 -12x + 3 = 23
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Answer


$\begin{aligned} & 19 x+13-12 x+3=23 \\ & \Rightarrow 19 x-12 x=23-13-3 \\ & \Rightarrow 7 x=23-16=7 \\ & \Rightarrow x=\frac{7}{7}=1 \\ & \therefore x=1\end{aligned}$

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