1 Answer

Wilmarie · Answer 1 · 2019-01-30T04:53:54+0000

standard form for a linear equation means

- all coefficients must be integers

- only the constant on the right-hand-side

- "x" must not have a negative coefficient

$\bf y+7=2(x+5)\implies y+7=2x+10\\\\\\-2x+y=3\implies \boxed{2x-y=-3}$

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