Write 2x = -7 as an equation in two variables.
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DONT KNOW THE ANSWER BUT I CAN EXPLAIN U.
Step-by-step explanation:
If a, b, and r are real numbers (and if a and b are not both equal to 0) then ax+by = r is called a linear equation in two variables. (The “two variables” are the x and the y.) The numbers a and b are called the coefficients of the equation ax+by = r. The number r is called the constant of the equation ax + by = r.
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