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Algebraic Expressions — MATHS STD 7 — Question

Gujarat BoardEnglish MediumSTD 7MATHSAlgebraic Expressions2 Marks
Question
Simplify the expression $3a + 5 – 8a + 1$ and find its value, if $a = –1$
✓

Answer

$3a + 5 – 8a + 1$
$= 3(-1) + 5 - 8(-1) + 1$
$= -3 + 5 + 8+ 1$
$= -3 + 14$
$= 1$

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