1) 133 + x + 57 = 218
To solve this equation, we can simplify it by combining like terms:
x + 190 = 218
Next, we isolate the variable x by subtracting 190 from both sides:
x = 218 - 190
x = 28
2) 248 - (y + 128) = 24
To solve this equation, we can simplify it by distributing the negative sign:
248 - y - 128 = 24
Combine like terms:
120 - y = 24
Next, we isolate the variable y by subtracting 120 from both sides:
-y = 24 - 120
-y = -96
Divide by -1 to solve for y:
y = 96
3) (24 - x) + 39 = 49
To solve this equation, we can simplify it by combining like terms:
63 - x = 49
Next, we isolate the variable x by subtracting 63 from both sides:
-x = 49 - 63
-x = -14
Divide by -1 to solve for x:
x = 14
4) (y + 267) - 97 = 538
To solve this equation, we can simplify it by combining like terms:
y + 267 - 97 = 538
Combine like terms:
y + 170 = 538
Next, we isolate the variable y by subtracting 170 from both sides:
y = 538 - 170
y = 368
5) 163 + (87 + n) = 303
To solve this equation, we can simplify it by combining like terms:
163 + 87 + n = 303
Combine like terms:
250 + n = 303
Next, we isolate the variable n by subtracting 250 from both sides:
n = 303 - 250
n = 53
6) (x - 24) - 56 = 134
To solve this equation, we can simplify it by combining like terms:
x - 24 - 56 = 134
Combine like terms:
x - 80 = 134
Next, we isolate the variable x by adding 80 to both sides:
x = 134 + 80
x = 214
Пошаговое объяснение:
1) 133 + x + 57 = 218
x + 190 = 218
x = 218 - 190
x = 28
2) 248 - (y + 128) = 24
248 - y - 128 = 24
120 - y = 24
-y = 24 - 120
-y = -96
y = 96
3) (24 - x) + 39 = 49
63 - x = 49
-x = 49 - 63
-x = -14
x = 14
4) (y + 267) - 97 = 538
y + 267 - 97 = 538
y + 170 = 538
y = 538 - 170
y = 368
5) 163 + (87 + n) = 303
163 + 87 + n = 303
250 + n = 303
n = 303 - 250
n = 53
6) (x - 24) - 56 = 134
x - 24 - 56 = 134
x - 80 = 134
x = 134 + 80
x = 214
Пошаговое объяснение: