Answer:
Explanation:
4 ( 3x + 7 ) = 19
→ Expand the brackets
12x + 28 = 19
→ Minus 28 from both sides to isolate 12x
12x = -9
→ Divide 12 from both sides to isolate x
3/4
open the brackets by multiplication
12x+28= 19
12x= 19-28
12x= -9 (divide)
-9/12x
x= 3/4
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