Combine like terms, 1+6 is 7 and 2t+4t is 6t. so 6t+7=55. get the t by itself by subtracting 7 from both sides. 6t=48, divide by 6. t=8
Answer:
1) 2m + 3m2 - 4m=7
7) 3m2 – 2m + 4m= 11
8) 20 + 109 + 39 - 4= 164
3) 2m + 4m - 3m2= -3
9) 4xy + x + 2xy= 0
4) 2y + 14x - 7x + 9y= 18
10) 6m2 - 6m - 9m2= -51
Step-by-step explanation:
1 fluid ounce roughly equals 0.0078 gallons, so 832 fluid ounces equal 6.5 gallons. Please mark Brainliest!
Answer:
217 ft
Step-by-step explanation:
Sea level is 0 height.
217 ft below sea level is -217 ft.
The opposite of -217 ft is 217 ft.
|-217 ft| = 217 ft