Answer:
-2
Step-by-step explanation:
Opening bracket,
6x+15 +4=7
6x=7-19 (I took 15 and 4 to other side and thus they became negative)
x=-12/6
x=-2
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The answer is x = -2
FOIL
3*2x + 3*5 + 4 = 7
6x + 15 + 4 = 7
6x + 19 = 7
Subtract 19 from both sides.
6x = -12
Divide both by 6.
x = -2
