Answer:
x=3
Explanation:
4x+3+7x=-2x+42
combine like terms
11x+3=-2x+42
add 2x to both sides
13x+3=42
subtract 3 from both sides
13x=39
divide both sides by 13
x = 3
4x + 3 + 7x = -2x + 42
11x + 3 = -2x + 42
13x = 39
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