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(2x+9)+115=180
We move all terms to the left:
(2x+9)+115-(180)=0
We add all the numbers together, and all the variables
(2x+9)-65=0
We get rid of parentheses
2x+9-65=0
We add all the numbers together, and all the variables
2x-56=0
We move all terms containing x to the left, all other terms to the right
2x=56
x=56/2
x=28
| m=3(4,13) | | 2c-3+1.5c=201 | | 22x-36=128 | | 9v-84=6v-54 | | 5x±1=2x-11 | | 5x±1=2x-4 | | u/4-16=17 | | -4x+21=-7x+6 | | (2x)=128 | | 9y+20=2y+90 | | (5r+7)+(7r-1)=90 | | 0.02+0.05y=0.1 | | (2n)+(3n-5)=90 | | 8x+113=180 | | (5z+1)=37 | | (5q+5)+(4q-5)=90 | | v-8=30 | | x+21=84 | | p/8.2=9.3 | | 2(3-2y)+3y=-4 | | -1.5x^2+34x-100=0 | | x/0.2=0.9 | | 9b+1=127 | | -1.5x^2+34x-100=0 | | 2(3-2y)+3y=-4 | | 9b+1=127 | | 9b+1=127 | | 2(3-2y)+3y=-4 | | x-0.12=3.3 | | (5r+8)+(7r-8)=90 | | (5r+8)+(7r-8)=180 | | (8w+6)+(7w-6)=110 |