Question

answer fast please grade 7 maths algebraic expressions

Answer 1

Answer:

Step-by-step explanation:

3 ( 2x - 4 ) +x +5

6x -12 + x + 5

6x +x - 12 + 5

7x - 12

-2 (-3x + 5 ) - 2 ( x + 4 )

= 6x + 10 - 2x - 4

6x - 2x + 10 -4

4x + 6

Answer 2

$\fbox \red{ A} \fbox \blue{N} \fbox \gray{S} \fbox \green{W} \fbox \pink{E} \fbox \purple{R} \fbox{ :-}$

${ \huge{ \orange{ \underline{ \ GIVEN:\: x = ( - 2)}}}} \\ \\ ☞ \: 3(2x - 4) + x + 5 \\ ☞ \: 6x - 12 + x + 5 \\ ☞ \: 7x - 7 \\ \\ { \bold{ \blue{ \ keeping \: value \: of \: x}}} \\ ☞ \: 7x - 7 \\ ☞ 7 \times ( - 2) - 7 \\ ☞ - 14 - 7 \\ ☞ \: ( - 21)$

${\huge\mathcal{\fcolorbox{lime}{black}{\pink{FROM☞ ADESH \: KUMAR}}}}$