Answer:
x•7+30=-24
Step-by-step explanation:
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Answer:
x=-5
Step-by-step explanation:
opening the bracket on the LHS, we have
-8x-40= -3x+x-7-3
-8x-40= -2x-10
collecting like terms
-8x+2x= -10+40
-6x= 30
divide both sides by -6
x= -5
15 = 0.23x
x = 65.2
therefore 15 is 23% of 65.2