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4=t+7

We move all terms to the left:

4-(t+7)=0

We get rid of parentheses

-t-7+4=0

We add all the numbers together, and all the variables

-1t-3=0

We move all terms containing t to the left, all other terms to the right

-t=3

t=3/-1

t=-3

| 3x-2(2x-5)=40 | | e-9=-10 | | 7r+5=118+(7-3r) | | 3=(4x-6)-(9-5x) | | 4=g+5 | | 9u-15=3/1 | | 44x+99x=125 | | 2y-(4-2y)=11 | | 12+3x+12=36 | | 5x-50=62.25 | | 7g-2=8g-5 | | 0.5y-14=-42+0.9y | | 2(x-8)=56 | | 200x+150=1550 | | 3x+6=4x-29=180 | | 9x+4=2x-22=180 | | 5x-14=4x+4=180 | | 8x-9=6x+1=180 | | x-12=85 | | 5x-6+8=60 | | x-10+2x+5+35=180 | | 1.094=(x2)+4 | | 15x(x+5)=150 | | v/8+11=13 | | 5(2x-3)+4(4x+7)-48=3(2x+1)+4(x+3)+30 | | 18=18+(-20+f)/(44+f)*2 | | 14y+17=y=3 | | (9y-2)(2.1-7y)=0 | | 7/x+8=6/2-x | | x-3/5=x+8/4 | | 0.35(x+200)=82.25 | | x-3/x+5=5/8 |

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