shainaanderson24
08.12.2020 •
Mathematics
2b + 8 − 5b + 3 = -13 + 8b − 5
b = __
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Ответ:
b= 29/11
Step-by-step explanation:
2b+8−5b+3=−13+8b−5
Step 1: Simplify both sides of the equation.
2b+8−5b+3=−13+8b−5
2b+8+−5b+3=−13+8b+−5
(2b+−5b)+(8+3)=(8b)+(−13+−5)(Combine Like Terms)
−3b+11=8b+−18
−3b+11=8b−18
Step 2: Subtract 8b from both sides.
−3b+11−8b=8b−18−8b
−11b+11=−18
Step 3: Subtract 11 from both sides.
−11b+11−11=−18−11
−11b=−29
Step 4: Divide both sides by -11.
−11b/−11 = −29/−11
b= 29/11
Ответ:
B. 3(4x + 18y)
Step-by-step explanation:
3(4x + 18y)
12x + 54y
12x + 54y ≠ 12x + 18y