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To solve x + 1.4 = 2, subtract 1.4 from each side; x = 0.6
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First, solve for y.y=-8xif x=2, then y=-16.
To solve -2+x=7, you need to isolate the variable x by adding two to both sides of the equation. -2+x=7 -2+x+2=x 7+2=9 x=9
The answer is x = 2.