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r=-15-10
We move all terms to the left:
r-(-15-10)=0
We add all the numbers together, and all the variables
r-(-25)=0
We add all the numbers together, and all the variables
r+25=0
We move all terms containing r to the left, all other terms to the right
r=-25
| r=15-10 | | C=10t-3 | | 5y-1=-8 | | .5(4x-6)=-4 | | 7x+12+8x-9+15=180 | | 7x+12+8x-9+45=180 | | e-(-3)=100 | | 7x+12+8x-9+44=180 | | 7x+12+8x-9+20=180 | | 3x=3⁴ | | 50=10x+3 | | A=8x-8=5x+25 | | d-672.30=824.90 | | 12.50x+40=175 | | 50=2^x | | 6(m-2}=12 | | 50=20^x | | -3=5n-13 | | 368=-8(7a+3) | | 2x*2+x=10 | | 10/6x=x+4 | | b-14.99=40.01 | | 1.50+p*2=3.75 | | -6(-7m-6)-2=244 | | 150+p*2=3.75 | | 25+30+x=90° | | 2x+3+55+90=180 | | F(x)=4x^2-6x+1 | | (3^(x))(4^(2x+1))=6^(x+2) | | 11x+5=52x+37 | | 12x−4−2(2x)=9.6 | | 4((-x+4)=12 |