5x + 3(x + 4) = 7x +12 + x
+
2 answers:
3x+4-7x=12
We simplify the equation to the form, which is simple to understand
3x+4-7x=12
We move all terms containing x to the left and all other terms to the right.
+3x-7x=+12-4
We simplify left and right side of the equation.
-4x=+8
We divide both sides of the equation by -4 to get x.
x=-2
Answer:
All real numbers are solutions.
Step-by-step explanation:
5x + 3(x + 4) = 7x +12 + x
All real numbers are solutions.
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Me: 5k - 4
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k + 5k - 4 = 14
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