Question

solve the following equations
$7 + 5x - 3x = 21$
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Answer 1

Answer:

$7 + 5x - 3x = 21 \\ 7 + 2x = 21 \\ 2x = 21 - 7 \\ 2x = 14 \\ x \ = \frac{14}{2} \\ x = 7$

Answer 2

$\underline{\boxed{\bold\red{Question}}}$

$7+5x+3x=21$

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$\green\leadsto5x-3x=21-7$

$\green\leadsto2x=14$

$\green\leadsto x=\frac{14}{2}$

$\green\leadsto\red x\red= \red7$

[Hope this helps you.../]